91600000992 has 36 divisors (see below), whose sum is σ = 260487503640. Its totient is φ = 30533333568.

The previous prime is 91600000991. The next prime is 91600001027. The reversal of 91600000992 is 29900000619.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91600000991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159027492 + ... + 159028067.

It is an arithmetic number, because the mean of its divisors is an integer number (7235763990).

Almost surely, 2^91600000992 is an apocalyptic number.

It is an amenable number.

91600000992 is an abundant number, since it is smaller than the sum of its proper divisors (168887502648).

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

91600000992 is a wasteful number, since it uses less digits than its factorization.

91600000992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318055575 (or 318055564 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The spelling of 91600000992 in words is "ninety-one billion, six hundred million, nine hundred ninety-two", and thus it is an aban number.