566564564 has 12 divisors (see below), whose sum is σ = 995018388. Its totient is φ = 282273600.

The previous prime is 566564563. The next prime is 566564573. The reversal of 566564564 is 465465665.

It can be written as a sum of positive squares in 2 ways, for example, as 477072964 + 89491600 = 21842^2 + 9460^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566564563) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 250907 + ... + 253154.

It is an arithmetic number, because the mean of its divisors is an integer number (82918199).

Almost surely, 2^566564564 is an apocalyptic number.

It is an amenable number.

566564564 is a deficient number, since it is larger than the sum of its proper divisors (428453824).

566564564 is a wasteful number, since it uses less digits than its factorization.

566564564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504346 (or 504344 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 47.

The square root of 566564564 is about 23802.6167469041. The cubic root of 566564564 is about 827.4653230084.

The spelling of 566564564 in words is "five hundred sixty-six million, five hundred sixty-four thousand, five hundred sixty-four".