564670656 has 224 divisors, whose sum is σ = 1844405760. Its totient is φ = 167961600.

The previous prime is 564670637. The next prime is 564670661. The reversal of 564670656 is 656076465.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1159245 + ... + 1159731.

Almost surely, 2^564670656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 564670656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (922202880).

564670656 is an abundant number, since it is smaller than the sum of its proper divisors (1279735104).

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

564670656 is a wasteful number, since it uses less digits than its factorization.

564670656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The square root of 564670656 is about 23762.7998350363. The cubic root of 564670656 is about 826.5422786598.

The spelling of 564670656 in words is "five hundred sixty-four million, six hundred seventy thousand, six hundred fifty-six".