91036164 has 12 divisors (see below), whose sum is σ = 212417744. Its totient is φ = 30345384.

The previous prime is 91036159. The next prime is 91036171. The reversal of 91036164 is 46163019.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3793162 + ... + 3793185.

Almost surely, 2^91036164 is an apocalyptic number.

It is an amenable number.

91036164 is an abundant number, since it is smaller than the sum of its proper divisors (121381580).

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

91036164 is a wasteful number, since it uses less digits than its factorization.

91036164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7586354 (or 7586352 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 91036164 is about 9541.2873345267. The cubic root of 91036164 is about 449.8537203559.

The spelling of 91036164 in words is "ninety-one million, thirty-six thousand, one hundred sixty-four".