91750366560 has 96 divisors (see below), whose sum is σ = 290042599392. Its totient is φ = 24379658240.

The previous prime is 91750366553. The next prime is 91750366637. The reversal of 91750366560 is 6566305719.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 205239 + ... + 474998.

It is an arithmetic number, because the mean of its divisors is an integer number (3021277077).

Almost surely, 2^91750366560 is an apocalyptic number.

It is an amenable number.

91750366560 is an abundant number, since it is smaller than the sum of its proper divisors (198292232832).

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

91750366560 is a wasteful number, since it uses less digits than its factorization.

91750366560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680536 (or 680528 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 48.

The spelling of 91750366560 in words is "ninety-one billion, seven hundred fifty million, three hundred sixty-six thousand, five hundred sixty".