64 (number) 64 (number) 64 (sixty-four) is the natural number following 63 and preceding 65. Sixty-four is the square of 8, the cube of 4, and the sixth power of 2. It is the smallest number with exactly seven divisors. It is the lowest positive power of two that is adjacent to neither a Mersenne prime nor a Fermat prime. 64 is the sum of Euler's totient function for the first fourteen integers. It is also a dodecagonal number and a centered triangular number. 64 is also the first whole number that is both a perfect square and a perfect cube. Since
Curiosity: What's Inside the Cube? You're not just doing things in the cube. You don't realise it but you're doing something in something else as well at the same time." Peter Molyneux claimed that "what is inside the cube is life-changingly amazing by any definition". Critics stated that the game designer might be over-promising. When it was suggested to him that he should "tone down the enthusiasm", he responded: "I don’t want to believe less in something. I want to make something that is worthy of the emotion behind it." "Curiosity" was one of the few games that could be successfully played by a simple