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
Cube (film series) the maze, while also trying to solve the mystery of what the cube is and why they are in it. However, the pressure of being in the Cube generally turns one of the prisoners into a homicidal maniac who preys on the others. "Cube Zero" was slightly different from the first two films in that it also dealt with the people on the outside of the Cube whose job it was to control the cube and oversee those within. A fourth film was rumored in March 2011, and a remake of the first film was announced in April 2015. In