118918190 has 8 divisors (see below), whose sum is σ = 214052760. Its totient is φ = 47567272.

The previous prime is 118918159. The next prime is 118918193. The reversal of 118918190 is 91819811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×118918190² = 28283071825752200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118918193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5945900 + ... + 5945919.

It is an arithmetic number, because the mean of its divisors is an integer number (26756595).

Almost surely, 2^118918190 is an apocalyptic number.

118918190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118918190 is a deficient number, since it is larger than the sum of its proper divisors (95134570).

118918190 is a wasteful number, since it uses less digits than its factorization.

118918190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11891826.

The product of its (nonzero) digits is 5184, while the sum is 38.

The square root of 118918190 is about 10904.9617147425. The cubic root of 118918190 is about 491.7557311919.

The spelling of 118918190 in words is "one hundred eighteen million, nine hundred eighteen thousand, one hundred ninety".