91716960 has 96 divisors (see below), whose sum is σ = 291725280. Its totient is φ = 24219648.

The previous prime is 91716943. The next prime is 91716973. The reversal of 91716960 is 6961719.

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

It is a congruent number.

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, 51444 + ... + 53196.

It is an arithmetic number, because the mean of its divisors is an integer number (3038805).

Almost surely, 2^91716960 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 91716960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145862640).

91716960 is an abundant number, since it is smaller than the sum of its proper divisors (200008320).

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

91716960 is a wasteful number, since it uses less digits than its factorization.

91716960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880 (or 1872 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 91716960 is about 9576.8972010772. The cubic root of 91716960 is about 450.9723173488.

The spelling of 91716960 in words is "ninety-one million, seven hundred sixteen thousand, nine hundred sixty".