18084586618 has 8 divisors (see below), whose sum is σ = 31002148512. Its totient is φ = 7750537116.

The previous prime is 18084586609. The next prime is 18084586627. The reversal of 18084586618 is 81668548081.

It is an interprime number because it is at equal distance from previous prime (18084586609) and next prime (18084586627).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645878080 + ... + 645878107.

It is an arithmetic number, because the mean of its divisors is an integer number (3875268564).

Almost surely, 2^18084586618 is an apocalyptic number.

18084586618 is a deficient number, since it is larger than the sum of its proper divisors (12917561894).

18084586618 is a wasteful number, since it uses less digits than its factorization.

18084586618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291756196.

The product of its (nonzero) digits is 2949120, while the sum is 55.

The spelling of 18084586618 in words is "eighteen billion, eighty-four million, five hundred eighty-six thousand, six hundred eighteen".