118817916 has 96 divisors (see below), whose sum is σ = 330989568. Its totient is φ = 32460480.

The previous prime is 118817911. The next prime is 118817969. The reversal of 118817916 is 619718811.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118817911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267991 + ... + 268433.

It is an arithmetic number, because the mean of its divisors is an integer number (3447808).

Almost surely, 2^118817916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118817916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165494784).

118817916 is an abundant number, since it is smaller than the sum of its proper divisors (212171652).

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

118817916 is a wasteful number, since it uses less digits than its factorization.

118817916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 589 counting only the distinct ones).

The product of its digits is 24192, while the sum is 42.

The square root of 118817916 is about 10900.3631132178. The cubic root of 118817916 is about 491.6174731719.

The spelling of 118817916 in words is "one hundred eighteen million, eight hundred seventeen thousand, nine hundred sixteen".