2564371168 has 24 divisors (see below), whose sum is σ = 5222697480. Its totient is φ = 1237971840.

The previous prime is 2564371153. The next prime is 2564371193. The reversal of 2564371168 is 8611734652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1380738 + ... + 1382593.

It is an arithmetic number, because the mean of its divisors is an integer number (217612395).

Almost surely, 2^2564371168 is an apocalyptic number.

It is an amenable number.

2564371168 is an abundant number, since it is smaller than the sum of its proper divisors (2658326312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2564371168 is a wasteful number, since it uses less digits than its factorization.

2564371168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763370 (or 2763362 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 2564371168 is about 50639.6205357031. The cubic root of 2564371168 is about 1368.7589179572.

The spelling of 2564371168 in words is "two billion, five hundred sixty-four million, three hundred seventy-one thousand, one hundred sixty-eight".