91582949111564 has 12 divisors (see below), whose sum is σ = 160293151979688. Its totient is φ = 45784905688800.

The previous prime is 91582949111513. The next prime is 91582949111597. The reversal of 91582949111564 is 46511194928519.

It is a self number, because there is not a number n which added to its sum of digits gives 91582949111564.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1642185377 + ... + 1642241144.

It is an arithmetic number, because the mean of its divisors is an integer number (13357762664974).

Almost surely, 2^{91582949111564} is an apocalyptic number.

It is an amenable number.

91582949111564 is a deficient number, since it is larger than the sum of its proper divisors (68710202868124).

91582949111564 is a wasteful number, since it uses less digits than its factorization.

91582949111564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284433496 (or 3284433494 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 65.

The spelling of 91582949111564 in words is "ninety-one trillion, five hundred eighty-two billion, nine hundred forty-nine million, one hundred eleven thousand, five hundred sixty-four".