566404665 has 8 divisors (see below), whose sum is σ = 906247488. Its totient is φ = 302082480.

The previous prime is 566404609. The next prime is 566404697.

It is a happy number.

566404665 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 566404665 - 2⁸ = 566404409 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18880141 + ... + 18880170.

It is an arithmetic number, because the mean of its divisors is an integer number (113280936).

Almost surely, 2^566404665 is an apocalyptic number.

It is an amenable number.

566404665 is a deficient number, since it is larger than the sum of its proper divisors (339842823).

566404665 is a wasteful number, since it uses less digits than its factorization.

566404665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37760319.

The product of its (nonzero) digits is 518400, while the sum is 42.

The square root of 566404665 is about 23799.2576564900. The cubic root of 566404665 is about 827.3874717300.

The spelling of 566404665 in words is "five hundred sixty-six million, four hundred four thousand, six hundred sixty-five".