18369600000 has 480 divisors, whose sum is σ = 63294073920. Its totient is φ = 4730880000.

The previous prime is 18369599999. The next prime is 18369600013. The reversal of 18369600000 is 696381.

It is a tau number, because it is divible by the number of its divisors (480).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 206399956 + ... + 206400044.

It is an arithmetic number, because the mean of its divisors is an integer number (131862654).

Almost surely, 2^18369600000 is an apocalyptic number.

18369600000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18369600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31647036960).

18369600000 is an abundant number, since it is smaller than the sum of its proper divisors (44924473920).

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

18369600000 is an frugal number, since it uses more digits than its factorization.

18369600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 18369600000 in words is "eighteen billion, three hundred sixty-nine million, six hundred thousand".