18160204800 has 132 divisors (see below), whose sum is σ = 60020676536. Its totient is φ = 4842700800.

The previous prime is 18160204789. The next prime is 18160204871. The reversal of 18160204800 is 840206181.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41431 + ... + 195030.

Almost surely, 2^18160204800 is an apocalyptic number.

18160204800 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 18160204800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30010338268).

18160204800 is an abundant number, since it is smaller than the sum of its proper divisors (41860471736).

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

18160204800 is a wasteful number, since it uses less digits than its factorization.

18160204800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236494 (or 236471 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The spelling of 18160204800 in words is "eighteen billion, one hundred sixty million, two hundred four thousand, eight hundred".