16842997800 has 144 divisors (see below), whose sum is σ = 56603832480. Its totient is φ = 4488336000.

The previous prime is 16842997771. The next prime is 16842997813. The reversal of 16842997800 is 879924861.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3833605 + ... + 3837995.

It is an arithmetic number, because the mean of its divisors is an integer number (393082170).

Almost surely, 2^16842997800 is an apocalyptic number.

16842997800 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 16842997800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28301916240).

16842997800 is an abundant number, since it is smaller than the sum of its proper divisors (39760834680).

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

16842997800 is a wasteful number, since it uses less digits than its factorization.

16842997800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6544 (or 6532 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 16842997800 in words is "sixteen billion, eight hundred forty-two million, nine hundred ninety-seven thousand, eight hundred".