91566848 has 18 divisors (see below), whose sum is σ = 182776524. Its totient is φ = 45783296.

The previous prime is 91566809. The next prime is 91566851. The reversal of 91566848 is 84866519.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178586 + ... + 179097.

Almost surely, 2^91566848 is an apocalyptic number.

It is an amenable number.

91566848 is a deficient number, since it is larger than the sum of its proper divisors (91209676).

91566848 is an equidigital number, since it uses as much as digits as its factorization.

91566848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357699 (or 357685 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The square root of 91566848 is about 9569.0567978250. The cubic root of 91566848 is about 450.7261494182.

The spelling of 91566848 in words is "ninety-one million, five hundred sixty-six thousand, eight hundred forty-eight".