566564 has 12 divisors (see below), whose sum is σ = 999600. Its totient is φ = 280968.

The previous prime is 566563. The next prime is 566567. The reversal of 566564 is 465665.

It is a self number, because there is not a number n which added to its sum of digits gives 566564.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 566564.

It is not an unprimeable number, because it can be changed into a prime (566563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47 + ... + 1065.

It is an arithmetic number, because the mean of its divisors is an integer number (83300).

2⁵⁶⁶⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

566564 is a deficient number, since it is larger than the sum of its proper divisors (433036).

566564 is a wasteful number, since it uses less digits than its factorization.

566564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162 (or 1160 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 566564 is about 752.7044572739. The cubic root of 566564 is about 82.7465048435.

The spelling of 566564 in words is "five hundred sixty-six thousand, five hundred sixty-four".