91963136 has 18 divisors (see below), whose sum is σ = 183567552. Its totient is φ = 45981440.

The previous prime is 91963127. The next prime is 91963139. The reversal of 91963136 is 63136919.

It is a super-3 number, since 3×91963136³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 91963136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91963139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 179360 + ... + 179871.

Almost surely, 2^91963136 is an apocalyptic number.

It is an amenable number.

91963136 is a deficient number, since it is larger than the sum of its proper divisors (91604416).

91963136 is an equidigital number, since it uses as much as digits as its factorization.

91963136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359247 (or 359233 counting only the distinct ones).

The product of its digits is 26244, while the sum is 38.

The square root of 91963136 is about 9589.7411852458. The cubic root of 91963136 is about 451.3754393789.

The spelling of 91963136 in words is "ninety-one million, nine hundred sixty-three thousand, one hundred thirty-six".