117161136 has 60 divisors (see below), whose sum is σ = 329853888. Its totient is φ = 38819712.

The previous prime is 117161101. The next prime is 117161173. The reversal of 117161136 is 631161711.

117161136 is a `hidden beast` number, since 1 + 17 + 1 + 611 + 36 = 666.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 22561 + ... + 27263.

Almost surely, 2^117161136 is an apocalyptic number.

117161136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117161136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164926944).

117161136 is an abundant number, since it is smaller than the sum of its proper divisors (212692752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117161136 is a wasteful number, since it uses less digits than its factorization.

117161136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4890 (or 4881 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 117161136 is about 10824.0997778106. The cubic root of 117161136 is about 489.3217549465.

The spelling of 117161136 in words is "one hundred seventeen million, one hundred sixty-one thousand, one hundred thirty-six".