117146165 has 8 divisors (see below), whose sum is σ = 143228088. Its totient is φ = 91948480.

The previous prime is 117146149. The next prime is 117146171. The reversal of 117146165 is 561641711.

It can be written as a sum of positive squares in 4 ways, for example, as 1067089 + 116079076 = 1033^2 + 10774^2 .

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

It is not a de Polignac number, because 117146165 - 2⁴ = 117146149 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 220766 + ... + 221295.

It is an arithmetic number, because the mean of its divisors is an integer number (17903511).

Almost surely, 2^117146165 is an apocalyptic number.

It is an amenable number.

117146165 is a deficient number, since it is larger than the sum of its proper divisors (26081923).

117146165 is an equidigital number, since it uses as much as digits as its factorization.

117146165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442119.

The product of its digits is 5040, while the sum is 32.

The square root of 117146165 is about 10823.4081970514. The cubic root of 117146165 is about 489.3009120052.

Adding to 117146165 its reverse (561641711), we get a palindrome (678787876).

The spelling of 117146165 in words is "one hundred seventeen million, one hundred forty-six thousand, one hundred sixty-five".