118518016 has 72 divisors (see below), whose sum is σ = 253754424. Its totient is φ = 55050240.

The previous prime is 118517977. The next prime is 118518031. The reversal of 118518016 is 610815811.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13660416 + 104857600 = 3696^2 + 10240^2 .

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, 491656 + ... + 491896.

It is an arithmetic number, because the mean of its divisors is an integer number (3524367).

Almost surely, 2^118518016 is an apocalyptic number.

118518016 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 118518016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126877212).

118518016 is an abundant number, since it is smaller than the sum of its proper divisors (135236408).

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

118518016 is a wasteful number, since it uses less digits than its factorization.

118518016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 31.

The square root of 118518016 is about 10886.5979993752. The cubic root of 118518016 is about 491.2035055825.

The spelling of 118518016 in words is "one hundred eighteen million, five hundred eighteen thousand, sixteen".