16999405200 has 420 divisors, whose sum is σ = 61967805508. Its totient is φ = 4478976000.

The previous prime is 16999405183. The next prime is 16999405211. The reversal of 16999405200 is 250499961.

It can be written as a sum of positive squares in 6 ways, for example, as 6718464 + 16992686736 = 2592^2 + 130356^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 28284900 + ... + 28285500.

Almost surely, 2^16999405200 is an apocalyptic number.

16999405200 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 16999405200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30983902754).

16999405200 is an abundant number, since it is smaller than the sum of its proper divisors (44968400308).

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

16999405200 is an equidigital number, since it uses as much as digits as its factorization.

16999405200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 16999405200 in words is "sixteen billion, nine hundred ninety-nine million, four hundred five thousand, two hundred".