118938997188 has 192 divisors, whose sum is σ = 339320217600. Its totient is φ = 35729786880.

The previous prime is 118938997169. The next prime is 118938997259. The reversal of 118938997188 is 881799839811.

118938997188 is a `hidden beast` number, since 1 + 1 + 89 + 389 + 97 + 1 + 88 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 114473973 + ... + 114475011.

It is an arithmetic number, because the mean of its divisors is an integer number (1767292800).

Almost surely, 2^118938997188 is an apocalyptic number.

118938997188 is a gapful number since it is divisible by the number (18) 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 118938997188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169660108800).

118938997188 is an abundant number, since it is smaller than the sum of its proper divisors (220381220412).

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

118938997188 is a wasteful number, since it uses less digits than its factorization.

118938997188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807 (or 1799 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 72.

The spelling of 118938997188 in words is "one hundred eighteen billion, nine hundred thirty-eight million, nine hundred ninety-seven thousand, one hundred eighty-eight".