64 (number)

This article is about the number 64. For the year, see 64.

Sixty-four is a number. It comes between sixty-three and sixty-five, and is an even number. It is divisible by 2, 4, 8, 16, and 32. 64 is the 8th square number after 1, 4, 9, 16, 25, 36, and 49. It is the fourth cube after 1, 8, and 27. There are sixty-four 1x1 squares on a chess, checkers and draughts board. It is also a power of two.