118146816 has 72 divisors (see below), whose sum is σ = 349401360. Its totient is φ = 39379968.

The previous prime is 118146793. The next prime is 118146823. The reversal of 118146816 is 618641811.

118146816 is a `hidden beast` number, since 1 + 181 + 468 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1635 + ... + 15458.

Almost surely, 2^118146816 is an apocalyptic number.

118146816 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 118146816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174700680).

118146816 is an abundant number, since it is smaller than the sum of its proper divisors (231254544).

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

118146816 is an equidigital number, since it uses as much as digits as its factorization.

118146816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17118 (or 17098 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 118146816 is about 10869.5361446568. The cubic root of 118146816 is about 490.6901506298.

The spelling of 118146816 in words is "one hundred eighteen million, one hundred forty-six thousand, eight hundred sixteen".