118005981630 has 32 divisors (see below), whose sum is σ = 283231201824. Its totient is φ = 31466390016.

The previous prime is 118005981581. The next prime is 118005981677. The reversal of 118005981630 is 36189500811.

118005981630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439122 + ... + 654858.

It is an arithmetic number, because the mean of its divisors is an integer number (8850975057).

Almost surely, 2^118005981630 is an apocalyptic number.

118005981630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118005981630 is an abundant number, since it is smaller than the sum of its proper divisors (165225220194).

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

118005981630 is a wasteful number, since it uses less digits than its factorization.

118005981630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233980.

The product of its (nonzero) digits is 51840, while the sum is 42.

The spelling of 118005981630 in words is "one hundred eighteen billion, five million, nine hundred eighty-one thousand, six hundred thirty".