118157860 has 24 divisors (see below), whose sum is σ = 248738616. Its totient is φ = 47147520.

The previous prime is 118157849. The next prime is 118157863. The reversal of 118157860 is 68751811.

It can be written as a sum of positive squares in 4 ways, for example, as 7529536 + 110628324 = 2744^2 + 10518^2 .

It is a super-2 number, since 2×118157860² = 27922559759559200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (118157863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1404 + ... + 15436.

It is an arithmetic number, because the mean of its divisors is an integer number (10364109).

Almost surely, 2^118157860 is an apocalyptic number.

118157860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118157860 is an abundant number, since it is smaller than the sum of its proper divisors (130580756).

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

118157860 is a wasteful number, since it uses less digits than its factorization.

118157860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14463 (or 14461 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 37.

The square root of 118157860 is about 10870.0441581440. The cubic root of 118157860 is about 490.7054395541.

The spelling of 118157860 in words is "one hundred eighteen million, one hundred fifty-seven thousand, eight hundred sixty".