91160998 has 8 divisors (see below), whose sum is σ = 136809000. Its totient is φ = 45558000.

The previous prime is 91160969. The next prime is 91161019. The reversal of 91160998 is 89906119.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5623 + ... + 14626.

It is an arithmetic number, because the mean of its divisors is an integer number (17101125).

Almost surely, 2^91160998 is an apocalyptic number.

91160998 is a deficient number, since it is larger than the sum of its proper divisors (45648002).

91160998 is a wasteful number, since it uses less digits than its factorization.

91160998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22502.

The product of its (nonzero) digits is 34992, while the sum is 43.

The square root of 91160998 is about 9547.8268731686. The cubic root of 91160998 is about 450.0592481660.

The spelling of 91160998 in words is "ninety-one million, one hundred sixty thousand, nine hundred ninety-eight".