2566264868 has 24 divisors (see below), whose sum is σ = 4890345600. Its totient is φ = 1173680928.

The previous prime is 2566264829. The next prime is 2566264871. The reversal of 2566264868 is 8684626652.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579980 + ... + 584387.

It is an arithmetic number, because the mean of its divisors is an integer number (203764400).

Almost surely, 2^2566264868 is an apocalyptic number.

It is an amenable number.

2566264868 is a deficient number, since it is larger than the sum of its proper divisors (2324080732).

2566264868 is a wasteful number, since it uses less digits than its factorization.

2566264868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164419 (or 1164417 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 53.

The square root of 2566264868 is about 50658.3148949903. The cubic root of 2566264868 is about 1369.0957621991.

The spelling of 2566264868 in words is "two billion, five hundred sixty-six million, two hundred sixty-four thousand, eight hundred sixty-eight".