91886231666348 has 12 divisors (see below), whose sum is σ = 183772463332752. Its totient is φ = 39379813571280.

The previous prime is 91886231666311. The next prime is 91886231666357. The reversal of 91886231666348 is 84366613268819.

91886231666348 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1640825565443 + ... + 1640825565498.

It is an arithmetic number, because the mean of its divisors is an integer number (15314371944396).

Almost surely, 2^{91886231666348} is an apocalyptic number.

It is an amenable number.

91886231666348 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

91886231666348 is a wasteful number, since it uses less digits than its factorization.

91886231666348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281651130952 (or 3281651130950 counting only the distinct ones).

The product of its digits is 429981696, while the sum is 71.

The spelling of 91886231666348 in words is "ninety-one trillion, eight hundred eighty-six billion, two hundred thirty-one million, six hundred sixty-six thousand, three hundred forty-eight".