565615106166165 has 16 divisors (see below), whose sum is σ = 987255458035776. Its totient is φ = 274237627232000.

The previous prime is 565615106166137. The next prime is 565615106166197. The reversal of 565615106166165 is 561661601516565.

It is a happy number.

It is not a de Polignac number, because 565615106166165 - 2¹⁹ = 565615105641877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 565615106166099 and 565615106166108.

It is a congruent number.

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, 1713985170036 + ... + 1713985170365.

It is an arithmetic number, because the mean of its divisors is an integer number (61703466127236).

Almost surely, 2^{565615106166165} is an apocalyptic number.

565615106166165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

565615106166165 is a deficient number, since it is larger than the sum of its proper divisors (421640351869611).

565615106166165 is a wasteful number, since it uses less digits than its factorization.

565615106166165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427970340420.

The product of its (nonzero) digits is 29160000, while the sum is 60.

The spelling of 565615106166165 in words is "five hundred sixty-five trillion, six hundred fifteen billion, one hundred six million, one hundred sixty-six thousand, one hundred sixty-five".