91495393366 has 32 divisors (see below), whose sum is σ = 149386104000. Its totient is φ = 41775906816.

The previous prime is 91495393349. The next prime is 91495393373. The reversal of 91495393366 is 66339359419.

It is a self number, because there is not a number n which added to its sum of digits gives 91495393366.

It is a congruent number.

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, 7557430 + ... + 7569526.

It is an arithmetic number, because the mean of its divisors is an integer number (4668315750).

Almost surely, 2^91495393366 is an apocalyptic number.

91495393366 is a deficient number, since it is larger than the sum of its proper divisors (57890710634).

91495393366 is a wasteful number, since it uses less digits than its factorization.

91495393366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15208.

The product of its digits is 14171760, while the sum is 58.

The spelling of 91495393366 in words is "ninety-one billion, four hundred ninety-five million, three hundred ninety-three thousand, three hundred sixty-six".