118537616 has 20 divisors (see below), whose sum is σ = 237587100. Its totient is φ = 57224832.

The previous prime is 118537597. The next prime is 118537621. The reversal of 118537616 is 616735811.

It can be written as a sum of positive squares in 2 ways, for example, as 57760000 + 60777616 = 7600^2 + 7796^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 118537616.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127271 + ... + 128198.

It is an arithmetic number, because the mean of its divisors is an integer number (11879355).

Almost surely, 2^118537616 is an apocalyptic number.

118537616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

118537616 is an abundant number, since it is smaller than the sum of its proper divisors (119049484).

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

118537616 is a wasteful number, since it uses less digits than its factorization.

118537616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255506 (or 255500 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 118537616 is about 10887.4981515498. The cubic root of 118537616 is about 491.2305817980.

The spelling of 118537616 in words is "one hundred eighteen million, five hundred thirty-seven thousand, six hundred sixteen".