566620864 has 28 divisors (see below), whose sum is σ = 1138631200. Its totient is φ = 279721728.

The previous prime is 566620799. The next prime is 566620867. The reversal of 566620864 is 468026665.

It is a self number, because there is not a number n which added to its sum of digits gives 566620864.

It is not an unprimeable number, because it can be changed into a prime (566620867) 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, 50979 + ... + 61090.

It is an arithmetic number, because the mean of its divisors is an integer number (40665400).

Almost surely, 2^566620864 is an apocalyptic number.

It is an amenable number.

566620864 is an abundant number, since it is smaller than the sum of its proper divisors (572010336).

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

566620864 is a wasteful number, since it uses less digits than its factorization.

566620864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112160 (or 112150 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 566620864 is about 23803.7993606063. The cubic root of 566620864 is about 827.4927307436.

The spelling of 566620864 in words is "five hundred sixty-six million, six hundred twenty thousand, eight hundred sixty-four".