117516189 has 16 divisors (see below), whose sum is σ = 189606528. Its totient is φ = 63201792.

The previous prime is 117516187. The next prime is 117516199. The reversal of 117516189 is 981615711.

It is not a de Polignac number, because 117516189 - 2¹ = 117516187 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 (117516187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164232 + ... + 164945.

It is an arithmetic number, because the mean of its divisors is an integer number (11850408).

Almost surely, 2^117516189 is an apocalyptic number.

It is an amenable number.

117516189 is a deficient number, since it is larger than the sum of its proper divisors (72090339).

117516189 is a wasteful number, since it uses less digits than its factorization.

117516189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329204.

The product of its digits is 15120, while the sum is 39.

The square root of 117516189 is about 10840.4884115062. The cubic root of 117516189 is about 489.8155476787.

The spelling of 117516189 in words is "one hundred seventeen million, five hundred sixteen thousand, one hundred eighty-nine".