566831868138665 has 16 divisors (see below), whose sum is σ = 702297446086656. Its totient is φ = 438739246862400.

The previous prime is 566831868138583. The next prime is 566831868138703.

566831868138665 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 566831868138665 - 2¹⁴ = 566831868122281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 566831868138665.

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, 409007966 + ... + 410391495.

It is an arithmetic number, because the mean of its divisors is an integer number (43893590380416).

Almost surely, 2^{566831868138665} is an apocalyptic number.

It is an amenable number.

566831868138665 is a deficient number, since it is larger than the sum of its proper divisors (135465577947991).

566831868138665 is a wasteful number, since it uses less digits than its factorization.

566831868138665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819403960.

The product of its digits is 7166361600, while the sum is 80.

The spelling of 566831868138665 in words is "five hundred sixty-six trillion, eight hundred thirty-one billion, eight hundred sixty-eight million, one hundred thirty-eight thousand, six hundred sixty-five".