36618318 has 40 divisors (see below), whose sum is σ = 89515800. Its totient is φ = 11095920.

The previous prime is 36618287. The next prime is 36618331. The reversal of 36618318 is 81381663.

36618318 is a `hidden beast` number, since 3 + 6 + 618 + 31 + 8 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 8493 + ... + 12056.

It is an arithmetic number, because the mean of its divisors is an integer number (2237895).

Almost surely, 2^36618318 is an apocalyptic number.

36618318 is an abundant number, since it is smaller than the sum of its proper divisors (52897482).

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

36618318 is a wasteful number, since it uses less digits than its factorization.

36618318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20574 (or 20565 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 36618318 is about 6051.3071315213. The cubic root of 36618318 is about 332.0724124723.

The spelling of 36618318 in words is "thirty-six million, six hundred eighteen thousand, three hundred eighteen".