18184017659964 has 48 divisors (see below), whose sum is σ = 45697484571648. Its totient is φ = 5594554358208.

The previous prime is 18184017659917. The next prime is 18184017659989. The reversal of 18184017659964 is 46995671048181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3839992 + ... + 7149375.

It is an arithmetic number, because the mean of its divisors is an integer number (952030928576).

Almost surely, 2^{18184017659964} is an apocalyptic number.

It is an amenable number.

18184017659964 is an abundant number, since it is smaller than the sum of its proper divisors (27513466911684).

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

18184017659964 is a wasteful number, since it uses less digits than its factorization.

18184017659964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10999994 (or 10999992 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 69.

The spelling of 18184017659964 in words is "eighteen trillion, one hundred eighty-four billion, seventeen million, six hundred fifty-nine thousand, nine hundred sixty-four".