18083811604 has 24 divisors (see below), whose sum is σ = 31718469888. Its totient is φ = 9021418560.

The previous prime is 18083811601. The next prime is 18083811623. The reversal of 18083811604 is 40611838081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18083811601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3775299 + ... + 3780085.

It is an arithmetic number, because the mean of its divisors is an integer number (1321602912).

Almost surely, 2^18083811604 is an apocalyptic number.

It is an amenable number.

18083811604 is a deficient number, since it is larger than the sum of its proper divisors (13634658284).

18083811604 is a wasteful number, since it uses less digits than its factorization.

18083811604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6735 (or 6733 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The spelling of 18083811604 in words is "eighteen billion, eighty-three million, eight hundred eleven thousand, six hundred four".