566040665 has 8 divisors (see below), whose sum is σ = 684136320. Its totient is φ = 449574192.

The previous prime is 566040641. The next prime is 566040703.

566040665 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 566040665 - 2¹⁴ = 566024281 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406529 + ... + 407918.

It is an arithmetic number, because the mean of its divisors is an integer number (85517040).

Almost surely, 2^566040665 is an apocalyptic number.

It is an amenable number.

566040665 is a deficient number, since it is larger than the sum of its proper divisors (118095655).

566040665 is a wasteful number, since it uses less digits than its factorization.

566040665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814591.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 566040665 is about 23791.6091301114. The cubic root of 566040665 is about 827.2101935419.

The spelling of 566040665 in words is "five hundred sixty-six million, forty thousand, six hundred sixty-five".