91356960 has 96 divisors (see below), whose sum is σ = 297743040. Its totient is φ = 23518208.

The previous prime is 91356953. The next prime is 91356971. The reversal of 91356960 is 6965319.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10639 + ... + 17201.

It is an arithmetic number, because the mean of its divisors is an integer number (3101490).

Almost surely, 2^91356960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91356960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148871520).

91356960 is an abundant number, since it is smaller than the sum of its proper divisors (206386080).

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

91356960 is a wasteful number, since it uses less digits than its factorization.

91356960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6610 (or 6602 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 91356960 is about 9558.0834899053. The cubic root of 91356960 is about 450.3815036357.

The spelling of 91356960 in words is "ninety-one million, three hundred fifty-six thousand, nine hundred sixty".