91406621160 has 96 divisors (see below), whose sum is σ = 309987699840. Its totient is φ = 23315309952.

The previous prime is 91406621099. The next prime is 91406621191. The reversal of 91406621160 is 6112660419.

91406621160 is a `hidden beast` number, since 9 + 14 + 0 + 6 + 621 + 16 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5511444 + ... + 5528003.

It is an arithmetic number, because the mean of its divisors is an integer number (3229038540).

Almost surely, 2^91406621160 is an apocalyptic number.

91406621160 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

91406621160 is an abundant number, since it is smaller than the sum of its proper divisors (218581078680).

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

91406621160 is a wasteful number, since it uses less digits than its factorization.

91406621160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11039487 (or 11039480 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 91406621160 in words is "ninety-one billion, four hundred six million, six hundred twenty-one thousand, one hundred sixty".