91535416 has 32 divisors (see below), whose sum is σ = 196454880. Its totient is φ = 39168000.

The previous prime is 91535351. The next prime is 91535417. The reversal of 91535416 is 61453519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91535417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66576 + ... + 67936.

It is an arithmetic number, because the mean of its divisors is an integer number (6139215).

Almost surely, 2^91535416 is an apocalyptic number.

It is an amenable number.

91535416 is an abundant number, since it is smaller than the sum of its proper divisors (104919464).

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

91535416 is a wasteful number, since it uses less digits than its factorization.

91535416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575 (or 2571 counting only the distinct ones).

The product of its digits is 16200, while the sum is 34.

The square root of 91535416 is about 9567.4142797310. The cubic root of 91535416 is about 450.6745701768.

The spelling of 91535416 in words is "ninety-one million, five hundred thirty-five thousand, four hundred sixteen".