36618 has 16 divisors (see below), whose sum is σ = 77760. Its totient is φ = 11456.

The previous prime is 36607. The next prime is 36629. The reversal of 36618 is 81663.

It is an interprime number because it is at equal distance from previous prime (36607) and next prime (36629).

It is a Curzon number.

It is a plaindrome in base 11 and base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 36618.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78 + ... + 281.

It is an arithmetic number, because the mean of its divisors is an integer number (4860).

2³⁶⁶¹⁸ is an apocalyptic number.

36618 is an abundant number, since it is smaller than the sum of its proper divisors (41142).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38880).

36618 is a wasteful number, since it uses less digits than its factorization.

36618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381.

The product of its digits is 864, while the sum is 24.

The square root of 36618 is about 191.3583026681. The cubic root of 36618 is about 33.2071451211.

The spelling of 36618 in words is "thirty-six thousand, six hundred eighteen".