117270165 has 16 divisors (see below), whose sum is σ = 198669888. Its totient is φ = 58864896.

The previous prime is 117270163. The next prime is 117270173. The reversal of 117270165 is 561072711.

It is not a de Polignac number, because 117270165 - 2¹ = 117270163 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117270161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229687 + ... + 230196.

It is an arithmetic number, because the mean of its divisors is an integer number (12416868).

Almost surely, 2^117270165 is an apocalyptic number.

117270165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117270165 is a deficient number, since it is larger than the sum of its proper divisors (81399723).

117270165 is a wasteful number, since it uses less digits than its factorization.

117270165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459908.

The product of its (nonzero) digits is 2940, while the sum is 30.

The square root of 117270165 is about 10829.1350070077. The cubic root of 117270165 is about 489.4734938903.

The spelling of 117270165 in words is "one hundred seventeen million, two hundred seventy thousand, one hundred sixty-five".