564164868 has 24 divisors (see below), whose sum is σ = 1316779072. Its totient is φ = 187998624.

The previous prime is 564164849. The next prime is 564164917. The reversal of 564164868 is 868461465.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60921 + ... + 69567.

Almost surely, 2^564164868 is an apocalyptic number.

It is an amenable number.

564164868 is an abundant number, since it is smaller than the sum of its proper divisors (752614204).

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

564164868 is a wasteful number, since it uses less digits than its factorization.

564164868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14091 (or 14089 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 564164868 is about 23752.1550180189. The cubic root of 564164868 is about 826.2954208710.

The spelling of 564164868 in words is "five hundred sixty-four million, one hundred sixty-four thousand, eight hundred sixty-eight".