91613162304 has 168 divisors, whose sum is σ = 264987084960. Its totient is φ = 30260524032.

The previous prime is 91613162261. The next prime is 91613162321. The reversal of 91613162304 is 40326131619.

91613162304 is a `hidden beast` number, since 9 + 1 + 613 + 1 + 6 + 2 + 30 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32682567 + ... + 32685369.

Almost surely, 2^91613162304 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 91613162304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132493542480).

91613162304 is an abundant number, since it is smaller than the sum of its proper divisors (173373922656).

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

91613162304 is a wasteful number, since it uses less digits than its factorization.

91613162304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3317 (or 3304 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 91613162304 in words is "ninety-one billion, six hundred thirteen million, one hundred sixty-two thousand, three hundred four".