566566560 has 144 divisors (see below), whose sum is σ = 2209648896. Its totient is φ = 129498624.

The previous prime is 566566513. The next prime is 566566603. The reversal of 566566560 is 65665665.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18024 + ... + 38183.

It is an arithmetic number, because the mean of its divisors is an integer number (15344784).

Almost surely, 2^566566560 is an apocalyptic number.

It is an amenable number.

566566560 is an abundant number, since it is smaller than the sum of its proper divisors (1643082336).

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

566566560 is a wasteful number, since it uses less digits than its factorization.

566566560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56235 (or 56224 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The square root of 566566560 is about 23802.6586750304. The cubic root of 566566560 is about 827.4662947240.

The spelling of 566566560 in words is "five hundred sixty-six million, five hundred sixty-six thousand, five hundred sixty".