16853232400 has 45 divisors (see below), whose sum is σ = 40496129653. Its totient is φ = 6740254400.

The previous prime is 16853232397. The next prime is 16853232433. The reversal of 16853232400 is 423235861.

The square root of 16853232400 is 129820.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6067163664 + 10786068736 = 77892^2 + 103856^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2593155 + ... + 2599645.

Almost surely, 2^16853232400 is an apocalyptic number.

16853232400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16853232400 is the 129820-th square number.

It is an amenable number.

16853232400 is an abundant number, since it is smaller than the sum of its proper divisors (23642897253).

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

16853232400 is an frugal number, since it uses more digits than its factorization.

16853232400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13000 (or 6498 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 16853232400 in words is "sixteen billion, eight hundred fifty-three million, two hundred thirty-two thousand, four hundred".