91196117 has 4 divisors (see below), whose sum is σ = 91437120. Its totient is φ = 90955116.

The previous prime is 91196101. The next prime is 91196137. The reversal of 91196117 is 71169119.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 91196117 - 2⁴ = 91196101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91196137) 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, 119933 + ... + 120690.

It is an arithmetic number, because the mean of its divisors is an integer number (22859280).

Almost surely, 2^91196117 is an apocalyptic number.

It is an amenable number.

91196117 is a deficient number, since it is larger than the sum of its proper divisors (241003).

91196117 is a wasteful number, since it uses less digits than its factorization.

91196117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241002.

The product of its digits is 3402, while the sum is 35.

The square root of 91196117 is about 9549.6658056709. The cubic root of 91196117 is about 450.1170345800.

The spelling of 91196117 in words is "ninety-one million, one hundred ninety-six thousand, one hundred seventeen".