118618 has 8 divisors (see below), whose sum is σ = 179712. Its totient is φ = 58716.

The previous prime is 118603. The next prime is 118619. The reversal of 118618 is 816811.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 118592 and 118601.

It is not an unprimeable number, because it can be changed into a prime (118619) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21 + ... + 487.

It is an arithmetic number, because the mean of its divisors is an integer number (22464).

2¹¹⁸⁶¹⁸ is an apocalyptic number.

118618 is a deficient number, since it is larger than the sum of its proper divisors (61094).

118618 is a wasteful number, since it uses less digits than its factorization.

118618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596.

The product of its digits is 384, while the sum is 25.

The square root of 118618 is about 344.4096398186. The cubic root of 118618 is about 49.1341596225.

The spelling of 118618 in words is "one hundred eighteen thousand, six hundred eighteen".