117367218 has 80 divisors (see below), whose sum is σ = 293245920. Its totient is φ = 34867584.

The previous prime is 117367181. The next prime is 117367267. The reversal of 117367218 is 812763711.

It is a super-2 number, since 2×117367218² = 27550127722119048, which contains 22 as substring.

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 39 ways as a sum of consecutive naturals, for example, 51205 + ... + 53447.

It is an arithmetic number, because the mean of its divisors is an integer number (3665574).

Almost surely, 2^117367218 is an apocalyptic number.

117367218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117367218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146622960).

117367218 is an abundant number, since it is smaller than the sum of its proper divisors (175878702).

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

117367218 is a wasteful number, since it uses less digits than its factorization.

117367218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293 (or 2284 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 117367218 is about 10833.6151860771. The cubic root of 117367218 is about 489.6084863725.

The spelling of 117367218 in words is "one hundred seventeen million, three hundred sixty-seven thousand, two hundred eighteen".