168618 has 16 divisors (see below), whose sum is σ = 341280. Its totient is φ = 55536.

The previous prime is 168617. The next prime is 168629. The reversal of 168618 is 816861.

It is not an unprimeable number, because it can be changed into a prime (168617) 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, 853 + ... + 1031.

It is an arithmetic number, because the mean of its divisors is an integer number (21330).

2¹⁶⁸⁶¹⁸ is an apocalyptic number.

168618 is an abundant number, since it is smaller than the sum of its proper divisors (172662).

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

168618 is a wasteful number, since it uses less digits than its factorization.

168618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341.

The product of its digits is 2304, while the sum is 30.

The square root of 168618 is about 410.6312214141. The cubic root of 168618 is about 55.2460600645.

The spelling of 168618 in words is "one hundred sixty-eight thousand, six hundred eighteen".