366618 has 48 divisors (see below), whose sum is σ = 902880. Its totient is φ = 98784.

The previous prime is 366607. The next prime is 366631. The reversal of 366618 is 816663.

366618 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8505 + ... + 8547.

It is an arithmetic number, because the mean of its divisors is an integer number (18810).

2³⁶⁶⁶¹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 366618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451440).

366618 is an abundant number, since it is smaller than the sum of its proper divisors (536262).

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

366618 is a wasteful number, since it uses less digits than its factorization.

366618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 84 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 366618 is about 605.4898843086. The cubic root of 366618 is about 71.5711388731.

The spelling of 366618 in words is "three hundred sixty-six thousand, six hundred eighteen".