91164117 has 8 divisors (see below), whose sum is σ = 132602400. Its totient is φ = 55250960.

The previous prime is 91164103. The next prime is 91164121. The reversal of 91164117 is 71146119.

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

It is a cyclic number.

It is not a de Polignac number, because 91164117 - 2¹¹ = 91162069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91164137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1381242 + ... + 1381307.

It is an arithmetic number, because the mean of its divisors is an integer number (16575300).

Almost surely, 2^91164117 is an apocalyptic number.

It is an amenable number.

91164117 is a deficient number, since it is larger than the sum of its proper divisors (41438283).

91164117 is a wasteful number, since it uses less digits than its factorization.

91164117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762563.

The product of its digits is 1512, while the sum is 30.

The square root of 91164117 is about 9547.9902073683. The cubic root of 91164117 is about 450.0643809121.

The spelling of 91164117 in words is "ninety-one million, one hundred sixty-four thousand, one hundred seventeen".