117170665 has 8 divisors (see below), whose sum is σ = 142054920. Its totient is φ = 92769792.

The previous prime is 117170629. The next prime is 117170719. The reversal of 117170665 is 566071711.

It can be written as a sum of positive squares in 4 ways, for example, as 6416089 + 110754576 = 2533^2 + 10524^2 .

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 117170665 - 2²⁵ = 83616233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117170665.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120310 + ... + 121279.

It is an arithmetic number, because the mean of its divisors is an integer number (17756865).

Almost surely, 2^117170665 is an apocalyptic number.

It is an amenable number.

117170665 is a deficient number, since it is larger than the sum of its proper divisors (24884255).

117170665 is an equidigital number, since it uses as much as digits as its factorization.

117170665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241691.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 117170665 is about 10824.5399440346. The cubic root of 117170665 is about 489.3350204961.

The spelling of 117170665 in words is "one hundred seventeen million, one hundred seventy thousand, six hundred sixty-five".