2 to the power of 64, written as 264, is a mathematical expression that represents the result of multiplying the number 2 by itself 64 times. The value of 264 is 18,446,744,073,709,551,616.
This number is significant in computer science and information technology because it’s the total number of unique values that can be represented with 64 bits, which is commonly used in computer architecture. Each bit can be either a 0 or a 1, and with 64 bits, you can represent a wide range of integers, which is essential for various computing applications.