18842193600 has 168 divisors, whose sum is σ = 65071995840. Its totient is φ = 4760110080.

The previous prime is 18842193599. The next prime is 18842193613. The reversal of 18842193600 is 639124881.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 12102 + ... + 194501.

Almost surely, 2^18842193600 is an apocalyptic number.

18842193600 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 18842193600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32535997920).

18842193600 is an abundant number, since it is smaller than the sum of its proper divisors (46229802240).

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

18842193600 is a wasteful number, since it uses less digits than its factorization.

18842193600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206647 (or 206632 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 18842193600 in words is "eighteen billion, eight hundred forty-two million, one hundred ninety-three thousand, six hundred".