91585263360 has 144 divisors (see below), whose sum is σ = 297296284320. Its totient is φ = 24022302720.

The previous prime is 91585263317. The next prime is 91585263383. The reversal of 91585263360 is 6336258519.

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, 38746 + ... + 429734.

It is an arithmetic number, because the mean of its divisors is an integer number (2064557530).

Almost surely, 2^91585263360 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 91585263360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148648142160).

91585263360 is an abundant number, since it is smaller than the sum of its proper divisors (205711020960).

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

91585263360 is a wasteful number, since it uses less digits than its factorization.

91585263360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391074 (or 391060 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 91585263360 in words is "ninety-one billion, five hundred eighty-five million, two hundred sixty-three thousand, three hundred sixty".