91115696 has 120 divisors (see below), whose sum is σ = 222557184. Its totient is φ = 35925120.

The previous prime is 91115683. The next prime is 91115711. The reversal of 91115696 is 69651119.

It is a happy 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, 558911 + ... + 559073.

Almost surely, 2^91115696 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 91115696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111278592).

91115696 is an abundant number, since it is smaller than the sum of its proper divisors (131441488).

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

91115696 is a wasteful number, since it uses less digits than its factorization.

91115696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 226 counting only the distinct ones).

The product of its digits is 14580, while the sum is 38.

The square root of 91115696 is about 9545.4542060606. The cubic root of 91115696 is about 449.9846842524.

The spelling of 91115696 in words is "ninety-one million, one hundred fifteen thousand, six hundred ninety-six".