91642692096 has 240 divisors, whose sum is σ = 279993954240. Its totient is φ = 28774932480.

The previous prime is 91642692059. The next prime is 91642692109. The reversal of 91642692096 is 69029624619.

It is a happy number.

91642692096 is a `hidden beast` number, since 9 + 1 + 6 + 426 + 9 + 209 + 6 = 666.

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, 15844021 + ... + 15849803.

It is an arithmetic number, because the mean of its divisors is an integer number (1166641476).

Almost surely, 2^91642692096 is an apocalyptic number.

91642692096 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91642692096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139996977120).

91642692096 is an abundant number, since it is smaller than the sum of its proper divisors (188351262144).

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

91642692096 is a wasteful number, since it uses less digits than its factorization.

91642692096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6007 (or 5988 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The spelling of 91642692096 in words is "ninety-one billion, six hundred forty-two million, six hundred ninety-two thousand, ninety-six".