91160699 has 4 divisors (see below), whose sum is σ = 104183664. Its totient is φ = 78137736.

The previous prime is 91160639. The next prime is 91160737. The reversal of 91160699 is 99606119.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91160699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91160609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6511472 + ... + 6511485.

It is an arithmetic number, because the mean of its divisors is an integer number (26045916).

Almost surely, 2^91160699 is an apocalyptic number.

91160699 is a deficient number, since it is larger than the sum of its proper divisors (13022965).

91160699 is a wasteful number, since it uses less digits than its factorization.

91160699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13022964.

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 91160699 is about 9547.8112151425. The cubic root of 91160699 is about 450.0587561139.

The spelling of 91160699 in words is "ninety-one million, one hundred sixty thousand, six hundred ninety-nine".