118032180 has 144 divisors (see below), whose sum is σ = 404873280. Its totient is φ = 25546752.

The previous prime is 118032163. The next prime is 118032217. The reversal of 118032180 is 81230811.

It is a self number, because there is not a number n which added to its sum of digits gives 118032180.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54804 + ... + 56916.

It is an arithmetic number, because the mean of its divisors is an integer number (2811620).

Almost surely, 2^118032180 is an apocalyptic number.

118032180 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 118032180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202436640).

118032180 is an abundant number, since it is smaller than the sum of its proper divisors (286841100).

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

118032180 is a wasteful number, since it uses less digits than its factorization.

118032180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158 (or 2149 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 118032180 is about 10864.2615947887. The cubic root of 118032180 is about 490.5313962910.

Adding to 118032180 its reverse (81230811), we get a palindrome (199262991).

The spelling of 118032180 in words is "one hundred eighteen million, thirty-two thousand, one hundred eighty".