91316932179 has 16 divisors (see below), whose sum is σ = 132969204480. Its totient is φ = 55283355360.

The previous prime is 91316932151. The next prime is 91316932181. The reversal of 91316932179 is 97123961319.

It is not a de Polignac number, because 91316932179 - 2¹⁹ = 91316407891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91316952179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1475212 + ... + 1535865.

It is an arithmetic number, because the mean of its divisors is an integer number (8310575280).

Almost surely, 2^91316932179 is an apocalyptic number.

91316932179 is a deficient number, since it is larger than the sum of its proper divisors (41652272301).

91316932179 is a wasteful number, since it uses less digits than its factorization.

91316932179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012010.

The product of its digits is 551124, while the sum is 51.

The spelling of 91316932179 in words is "ninety-one billion, three hundred sixteen million, nine hundred thirty-two thousand, one hundred seventy-nine".