566424665 has 16 divisors (see below), whose sum is σ = 710128080. Its totient is φ = 433171200.

The previous prime is 566424643. The next prime is 566424679.

It is a happy number.

566424665 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 2647129 + 563777536 = 1627^2 + 23744^2 .

It is a de Polignac number, because none of the positive numbers 2^k-566424665 is a prime.

It is a super-2 number, since 2×566424665² = 641673802240724450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4694 + ... + 33983.

It is an arithmetic number, because the mean of its divisors is an integer number (44383005).

Almost surely, 2^566424665 is an apocalyptic number.

It is an amenable number.

566424665 is a deficient number, since it is larger than the sum of its proper divisors (143703415).

566424665 is a wasteful number, since it uses less digits than its factorization.

566424665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38812.

The product of its digits is 1036800, while the sum is 44.

The square root of 566424665 is about 23799.6778339540. The cubic root of 566424665 is about 827.3972100883.

The spelling of 566424665 in words is "five hundred sixty-six million, four hundred twenty-four thousand, six hundred sixty-five".