91116192 has 96 divisors (see below), whose sum is σ = 261563904. Its totient is φ = 27648000.

The previous prime is 91116187. The next prime is 91116197. The reversal of 91116192 is 29161119.

It is an interprime number because it is at equal distance from previous prime (91116187) and next prime (91116197).

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (91116197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49692 + ... + 51492.

It is an arithmetic number, because the mean of its divisors is an integer number (2724624).

Almost surely, 2^91116192 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 91116192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130781952).

91116192 is an abundant number, since it is smaller than the sum of its proper divisors (170447712).

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

91116192 is a wasteful number, since it uses less digits than its factorization.

91116192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862 (or 1854 counting only the distinct ones).

The product of its digits is 972, while the sum is 30.

The square root of 91116192 is about 9545.4801869785. The cubic root of 91116192 is about 449.9855007674.

The spelling of 91116192 in words is "ninety-one million, one hundred sixteen thousand, one hundred ninety-two".