566545828545665 has 8 divisors (see below), whose sum is σ = 679867290529728. Its totient is φ = 453228465319920.

The previous prime is 566545828545629. The next prime is 566545828545689.

566545828545665 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 566545828545665 - 2⁸ = 566545828545409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 566545828545665.

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, 1024385477 + ... + 1024938386.

It is an arithmetic number, because the mean of its divisors is an integer number (84983411316216).

Almost surely, 2^{566545828545665} is an apocalyptic number.

It is an amenable number.

566545828545665 is a deficient number, since it is larger than the sum of its proper divisors (113321461984063).

566545828545665 is a wasteful number, since it uses less digits than its factorization.

566545828545665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049379159.

The product of its digits is 41472000000, while the sum is 80.

The spelling of 566545828545665 in words is "five hundred sixty-six trillion, five hundred forty-five billion, eight hundred twenty-eight million, five hundred forty-five thousand, six hundred sixty-five".