91453164 has 48 divisors (see below), whose sum is σ = 237758976. Its totient is φ = 27121600.

The previous prime is 91453147. The next prime is 91453189. The reversal of 91453164 is 46135419.

It is a super-2 number, since 2×91453164² = 16727362411221792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 15 ways as a sum of consecutive naturals, for example, 1167 + ... + 13574.

It is an arithmetic number, because the mean of its divisors is an integer number (4953312).

Almost surely, 2^91453164 is an apocalyptic number.

91453164 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91453164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118879488).

91453164 is an abundant number, since it is smaller than the sum of its proper divisors (146305812).

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

91453164 is a wasteful number, since it uses less digits than its factorization.

91453164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14806 (or 14804 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 91453164 is about 9563.1147645524. The cubic root of 91453164 is about 450.5395404981.

The spelling of 91453164 in words is "ninety-one million, four hundred fifty-three thousand, one hundred sixty-four".