5665161556313 has 16 divisors (see below), whose sum is σ = 6504335959680. Its totient is φ = 4833504412800.

The previous prime is 5665161556309. The next prime is 5665161556321. The reversal of 5665161556313 is 3136551615665.

It is not a de Polignac number, because 5665161556313 - 2² = 5665161556309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5665161556513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 781628 + ... + 3455613.

It is an arithmetic number, because the mean of its divisors is an integer number (406520997480).

Almost surely, 2^{5665161556313} is an apocalyptic number.

It is an amenable number.

5665161556313 is a deficient number, since it is larger than the sum of its proper divisors (839174403367).

5665161556313 is a wasteful number, since it uses less digits than its factorization.

5665161556313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4238128.

The product of its digits is 7290000, while the sum is 53.

The spelling of 5665161556313 in words is "five trillion, six hundred sixty-five billion, one hundred sixty-one million, five hundred fifty-six thousand, three hundred thirteen".