91112656 has 20 divisors (see below), whose sum is σ = 186915492. Its totient is φ = 42876416.

The previous prime is 91112653. The next prime is 91112663. The reversal of 91112656 is 65621119.

It can be written as a sum of positive squares in 2 ways, for example, as 61779600 + 29333056 = 7860^2 + 5416^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91112653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167215 + ... + 167758.

Almost surely, 2^91112656 is an apocalyptic number.

It is an amenable number.

91112656 is an abundant number, since it is smaller than the sum of its proper divisors (95802836).

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

91112656 is a wasteful number, since it uses less digits than its factorization.

91112656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334998 (or 334992 counting only the distinct ones).

The product of its digits is 3240, while the sum is 31.

The square root of 91112656 is about 9545.2949666315. The cubic root of 91112656 is about 449.9796797409.

The spelling of 91112656 in words is "ninety-one million, one hundred twelve thousand, six hundred fifty-six".