118665216 has 208 divisors, whose sum is σ = 373509600. Its totient is φ = 37158912.

The previous prime is 118665161. The next prime is 118665221. The reversal of 118665216 is 612566811.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3207150 + ... + 3207186.

Almost surely, 2^118665216 is an apocalyptic number.

118665216 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 118665216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186754800).

118665216 is an abundant number, since it is smaller than the sum of its proper divisors (254844384).

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

118665216 is an equidigital number, since it uses as much as digits as its factorization.

118665216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 71 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 118665216 is about 10893.3565075233. The cubic root of 118665216 is about 491.4067805630.

The spelling of 118665216 in words is "one hundred eighteen million, six hundred sixty-five thousand, two hundred sixteen".