118018180 has 24 divisors (see below), whose sum is σ = 283243968. Its totient is φ = 40463328.

The previous prime is 118018157. The next prime is 118018181. The reversal of 118018180 is 81810811.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (118018181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421354 + ... + 421633.

It is an arithmetic number, because the mean of its divisors is an integer number (11801832).

Almost surely, 2^118018180 is an apocalyptic number.

118018180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118018180 is an abundant number, since it is smaller than the sum of its proper divisors (165225788).

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

118018180 is a wasteful number, since it uses less digits than its factorization.

118018180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843003 (or 843001 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 28.

The square root of 118018180 is about 10863.6172612993. The cubic root of 118018180 is about 490.5120012664.

Adding to 118018180 its reverse (81810811), we get a palindrome (199828991).

The spelling of 118018180 in words is "one hundred eighteen million, eighteen thousand, one hundred eighty".