18365803104 has 192 divisors, whose sum is σ = 55904808960. Its totient is φ = 5220702720.

The previous prime is 18365803087. The next prime is 18365803139. The reversal of 18365803104 is 40130856381.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2062149 + ... + 2071035.

It is an arithmetic number, because the mean of its divisors is an integer number (291170880).

Almost surely, 2^18365803104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18365803104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27952404480).

18365803104 is an abundant number, since it is smaller than the sum of its proper divisors (37539005856).

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

18365803104 is a wasteful number, since it uses less digits than its factorization.

18365803104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9033 (or 9025 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 18365803104 in words is "eighteen billion, three hundred sixty-five million, eight hundred three thousand, one hundred four".