118575618 has 64 divisors (see below), whose sum is σ = 287616000. Its totient is φ = 31834944.

The previous prime is 118575601. The next prime is 118575659. The reversal of 118575618 is 816575811.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 118575618.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110388 + ... + 111456.

It is an arithmetic number, because the mean of its divisors is an integer number (4494000).

Almost surely, 2^118575618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118575618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143808000).

118575618 is an abundant number, since it is smaller than the sum of its proper divisors (169040382).

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

118575618 is a wasteful number, since it uses less digits than its factorization.

118575618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239.

The product of its digits is 67200, while the sum is 42.

The square root of 118575618 is about 10889.2432243935. The cubic root of 118575618 is about 491.2830707621.

The spelling of 118575618 in words is "one hundred eighteen million, five hundred seventy-five thousand, six hundred eighteen".