91446668 has 6 divisors (see below), whose sum is σ = 160031676. Its totient is φ = 45723332.

The previous prime is 91446629. The next prime is 91446697. The reversal of 91446668 is 86664419.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11430830 + ... + 11430837.

It is an arithmetic number, because the mean of its divisors is an integer number (26671946).

Almost surely, 2^91446668 is an apocalyptic number.

It is an amenable number.

91446668 is a deficient number, since it is larger than the sum of its proper divisors (68585008).

91446668 is a wasteful number, since it uses less digits than its factorization.

91446668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22861671 (or 22861669 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 91446668 is about 9562.7751202253. The cubic root of 91446668 is about 450.5288728368.

The spelling of 91446668 in words is "ninety-one million, four hundred forty-six thousand, six hundred sixty-eight".