91668092 has 24 divisors (see below), whose sum is σ = 166086144. Its totient is φ = 44235072.

The previous prime is 91668089. The next prime is 91668113. The reversal of 91668092 is 29086619.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16358 + ... + 21234.

It is an arithmetic number, because the mean of its divisors is an integer number (6920256).

Almost surely, 2^91668092 is an apocalyptic number.

It is an amenable number.

91668092 is a deficient number, since it is larger than the sum of its proper divisors (74418052).

91668092 is a wasteful number, since it uses less digits than its factorization.

91668092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045 (or 5043 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 91668092 is about 9574.3455128797. The cubic root of 91668092 is about 450.8922084630.

The spelling of 91668092 in words is "ninety-one million, six hundred sixty-eight thousand, ninety-two".