118446018 has 16 divisors (see below), whose sum is σ = 240776256. Its totient is φ = 38834640.

The previous prime is 118446011. The next prime is 118446023. The reversal of 118446018 is 810644811.

It is a self number, because there is not a number n which added to its sum of digits gives 118446018.

It is not an unprimeable number, because it can be changed into a prime (118446011) 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, 161446 + ... + 162177.

It is an arithmetic number, because the mean of its divisors is an integer number (15048516).

Almost surely, 2^118446018 is an apocalyptic number.

118446018 is an abundant number, since it is smaller than the sum of its proper divisors (122330238).

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

118446018 is a wasteful number, since it uses less digits than its factorization.

118446018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323689.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 118446018 is about 10883.2907707182. The cubic root of 118446018 is about 491.1040190656.

The spelling of 118446018 in words is "one hundred eighteen million, four hundred forty-six thousand, eighteen".