91464156 has 36 divisors (see below), whose sum is σ = 264230512. Its totient is φ = 26132544.

The previous prime is 91464151. The next prime is 91464211. The reversal of 91464156 is 65146419.

91464156 is a `hidden beast` number, since 9 + 1 + 4 + 641 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 91464156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91464151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181225 + ... + 181728.

Almost surely, 2^91464156 is an apocalyptic number.

It is an amenable number.

91464156 is an abundant number, since it is smaller than the sum of its proper divisors (172766356).

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

91464156 is a wasteful number, since it uses less digits than its factorization.

91464156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362970 (or 362965 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 91464156 is about 9563.6894554351. The cubic root of 91464156 is about 450.5575902918.

The spelling of 91464156 in words is "ninety-one million, four hundred sixty-four thousand, one hundred fifty-six".