91662968 has 32 divisors (see below), whose sum is σ = 180478800. Its totient is φ = 43583232.

The previous prime is 91662947. The next prime is 91663051. The reversal of 91662968 is 86926619.

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, 12596 + ... + 18492.

Almost surely, 2^91662968 is an apocalyptic number.

It is an amenable number.

91662968 is a deficient number, since it is larger than the sum of its proper divisors (88815832).

91662968 is a wasteful number, since it uses less digits than its factorization.

91662968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5999 (or 5995 counting only the distinct ones).

The product of its digits is 279936, while the sum is 47.

The square root of 91662968 is about 9574.0779190479. The cubic root of 91662968 is about 450.8838070855.

The spelling of 91662968 in words is "ninety-one million, six hundred sixty-two thousand, nine hundred sixty-eight".