118657660 has 48 divisors (see below), whose sum is σ = 286151040. Its totient is φ = 40875840.

The previous prime is 118657639. The next prime is 118657661. The reversal of 118657660 is 66756811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118657661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10014 + ... + 18373.

It is an arithmetic number, because the mean of its divisors is an integer number (5961480).

Almost surely, 2^118657660 is an apocalyptic number.

118657660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118657660 is an abundant number, since it is smaller than the sum of its proper divisors (167493380).

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

118657660 is a wasteful number, since it uses less digits than its factorization.

118657660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28426 (or 28424 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 118657660 is about 10893.0096851146. The cubic root of 118657660 is about 491.3963502433.

The spelling of 118657660 in words is "one hundred eighteen million, six hundred fifty-seven thousand, six hundred sixty".