91164682915 has 16 divisors (see below), whose sum is σ = 111969158400. Its totient is φ = 71218217952.

The previous prime is 91164682909. The next prime is 91164682937. The reversal of 91164682915 is 51928646119.

It is a cyclic number.

It is not a de Polignac number, because 91164682915 - 2³ = 91164682907 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 865906 + ... + 965464.

It is an arithmetic number, because the mean of its divisors is an integer number (6998072400).

Almost surely, 2^91164682915 is an apocalyptic number.

91164682915 is a deficient number, since it is larger than the sum of its proper divisors (20804475485).

91164682915 is a wasteful number, since it uses less digits than its factorization.

91164682915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103866.

The product of its digits is 933120, while the sum is 52.

The spelling of 91164682915 in words is "ninety-one billion, one hundred sixty-four million, six hundred eighty-two thousand, nine hundred fifteen".