117916180 has 12 divisors (see below), whose sum is σ = 247624020. Its totient is φ = 47166464.

The previous prime is 117916171. The next prime is 117916213. The reversal of 117916180 is 81619711.

It can be written as a sum of positive squares in 2 ways, for example, as 93354244 + 24561936 = 9662^2 + 4956^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2947885 + ... + 2947924.

It is an arithmetic number, because the mean of its divisors is an integer number (20635335).

Almost surely, 2^117916180 is an apocalyptic number.

117916180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117916180 is an abundant number, since it is smaller than the sum of its proper divisors (129707840).

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

117916180 is a wasteful number, since it uses less digits than its factorization.

117916180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895818 (or 5895816 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 34.

The square root of 117916180 is about 10858.9216775884. The cubic root of 117916180 is about 490.3706483412.

It can be divided in two parts, 11791 and 6180, that added together give a palindrome (17971).

The spelling of 117916180 in words is "one hundred seventeen million, nine hundred sixteen thousand, one hundred eighty".