91485164 has 24 divisors (see below), whose sum is σ = 167228880. Its totient is φ = 43747776.

The previous prime is 91485161. The next prime is 91485167. The reversal of 91485164 is 46158419.

It is an interprime number because it is at equal distance from previous prime (91485161) and next prime (91485167).

It is not an unprimeable number, because it can be changed into a prime (91485161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3494 + ... + 13970.

It is an arithmetic number, because the mean of its divisors is an integer number (6967870).

Almost surely, 2^91485164 is an apocalyptic number.

It is an amenable number.

91485164 is a deficient number, since it is larger than the sum of its proper divisors (75743716).

91485164 is a wasteful number, since it uses less digits than its factorization.

91485164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10577 (or 10575 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 91485164 is about 9564.7877132741. The cubic root of 91485164 is about 450.5920831820.

The spelling of 91485164 in words is "ninety-one million, four hundred eighty-five thousand, one hundred sixty-four".