118159900 has 36 divisors (see below), whose sum is σ = 258967800. Its totient is φ = 46792000.

The previous prime is 118159889. The next prime is 118159913. The reversal of 118159900 is 9951811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4251 + ... + 15949.

It is an arithmetic number, because the mean of its divisors is an integer number (7193550).

Almost surely, 2^118159900 is an apocalyptic number.

118159900 is a gapful number since it is divisible by the number (10) 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 118159900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129483900).

118159900 is an abundant number, since it is smaller than the sum of its proper divisors (140807900).

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

118159900 is a wasteful number, since it uses less digits than its factorization.

118159900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11814 (or 11807 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 34.

The square root of 118159900 is about 10870.1379936043. The cubic root of 118159900 is about 490.7082635540.

The spelling of 118159900 in words is "one hundred eighteen million, one hundred fifty-nine thousand, nine hundred".