91118376 has 96 divisors (see below), whose sum is σ = 265980000. Its totient is φ = 28086912.

The previous prime is 91118371. The next prime is 91118389. The reversal of 91118376 is 67381119.

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

It is a self number, because there is not a number n which added to its sum of digits gives 91118376.

It is not an unprimeable number, because it can be changed into a prime (91118371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58050 + ... + 59598.

It is an arithmetic number, because the mean of its divisors is an integer number (2770625).

Almost surely, 2^91118376 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 91118376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132990000).

91118376 is an abundant number, since it is smaller than the sum of its proper divisors (174861624).

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

91118376 is a wasteful number, since it uses less digits than its factorization.

91118376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623 (or 1616 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 91118376 is about 9545.5945859857. The cubic root of 91118376 is about 449.9890960321.

The spelling of 91118376 in words is "ninety-one million, one hundred eighteen thousand, three hundred seventy-six".