91589014216 has 32 divisors (see below), whose sum is σ = 196395770880. Its totient is φ = 39225715200.

The previous prime is 91589014109. The next prime is 91589014229. The reversal of 91589014216 is 61241098519.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473545 + ... + 638296.

It is an arithmetic number, because the mean of its divisors is an integer number (6137367840).

Almost surely, 2^91589014216 is an apocalyptic number.

It is an amenable number.

91589014216 is an abundant number, since it is smaller than the sum of its proper divisors (104806756664).

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

91589014216 is a wasteful number, since it uses less digits than its factorization.

91589014216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113325 (or 1113321 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 46.

The spelling of 91589014216 in words is "ninety-one billion, five hundred eighty-nine million, fourteen thousand, two hundred sixteen".