117171716 has 48 divisors (see below), whose sum is σ = 218741040. Its totient is φ = 54835200.

The previous prime is 117171679. The next prime is 117171721. The reversal of 117171716 is 617171711.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 16370116 + 100801600 = 4046^2 + 10040^2 .

It is a super-2 number, since 2×117171716² = 27458422060769312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 855200 + ... + 855336.

It is an arithmetic number, because the mean of its divisors is an integer number (4557105).

Almost surely, 2^117171716 is an apocalyptic number.

It is an amenable number.

117171716 is a deficient number, since it is larger than the sum of its proper divisors (101569324).

117171716 is a wasteful number, since it uses less digits than its factorization.

117171716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 342 counting only the distinct ones).

The product of its digits is 2058, while the sum is 32.

The square root of 117171716 is about 10824.5884910236. The cubic root of 117171716 is about 489.3364835744.

The spelling of 117171716 in words is "one hundred seventeen million, one hundred seventy-one thousand, seven hundred sixteen".