91530792096 has 48 divisors (see below), whose sum is σ = 245855975904. Its totient is φ = 29800721664.

The previous prime is 91530792077. The next prime is 91530792113. The reversal of 91530792096 is 69029703519.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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, 11082451 + ... + 11090706.

It is an arithmetic number, because the mean of its divisors is an integer number (5121999498).

Almost surely, 2^91530792096 is an apocalyptic number.

91530792096 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

91530792096 is an abundant number, since it is smaller than the sum of its proper divisors (154325183808).

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

91530792096 is a wasteful number, since it uses less digits than its factorization.

91530792096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22173213 (or 22173205 counting only the distinct ones).

The product of its (nonzero) digits is 918540, while the sum is 51.

The spelling of 91530792096 in words is "ninety-one billion, five hundred thirty million, seven hundred ninety-two thousand, ninety-six".