91100092 has 12 divisors (see below), whose sum is σ = 159601176. Its totient is φ = 45499760.

The previous prime is 91100083. The next prime is 91100099. The reversal of 91100092 is 29000119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91100099) 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, 8338 + ... + 15865.

It is an arithmetic number, because the mean of its divisors is an integer number (13300098).

Almost surely, 2^91100092 is an apocalyptic number.

It is an amenable number.

91100092 is a deficient number, since it is larger than the sum of its proper divisors (68501084).

91100092 is a wasteful number, since it uses less digits than its factorization.

91100092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25148 (or 25146 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 91100092 is about 9544.6368186537. The cubic root of 91100092 is about 449.9589954407.

The spelling of 91100092 in words is "ninety-one million, one hundred thousand, ninety-two".