117165841 has 24 divisors (see below), whose sum is σ = 135660096. Its totient is φ = 100900800.

The previous prime is 117165817. The next prime is 117165859. The reversal of 117165841 is 148561711.

It is not a de Polignac number, because 117165841 - 2⁵ = 117165809 is a prime.

It is a super-3 number, since 3×117165841³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 117165797 and 117165806.

It is not an unprimeable number, because it can be changed into a prime (117165341) 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 23 ways as a sum of consecutive naturals, for example, 166791 + ... + 167491.

It is an arithmetic number, because the mean of its divisors is an integer number (5652504).

Almost surely, 2^117165841 is an apocalyptic number.

It is an amenable number.

117165841 is a deficient number, since it is larger than the sum of its proper divisors (18494255).

117165841 is a wasteful number, since it uses less digits than its factorization.

117165841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 780 counting only the distinct ones).

The product of its digits is 6720, while the sum is 34.

The square root of 117165841 is about 10824.3171147191. The cubic root of 117165841 is about 489.3283049798.

The spelling of 117165841 in words is "one hundred seventeen million, one hundred sixty-five thousand, eight hundred forty-one".