91414031664 has 20 divisors (see below), whose sum is σ = 236152915256. Its totient is φ = 30471343872.

The previous prime is 91414031651. The next prime is 91414031671. The reversal of 91414031664 is 46613041419.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 952229449 + ... + 952229544.

Almost surely, 2^91414031664 is an apocalyptic number.

It is an amenable number.

91414031664 is an abundant number, since it is smaller than the sum of its proper divisors (144738883592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91414031664 is a wasteful number, since it uses less digits than its factorization.

91414031664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904459004 (or 1904458998 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 91414031664 in words is "ninety-one billion, four hundred fourteen million, thirty-one thousand, six hundred sixty-four".