16199896320 has 360 divisors, whose sum is σ = 58295256096. Its totient is φ = 4313253888.

The previous prime is 16199896319. The next prime is 16199896357. The reversal of 16199896320 is 2369899161.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25193919 + ... + 25194561.

Almost surely, 2^16199896320 is an apocalyptic number.

16199896320 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 16199896320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29147628048).

16199896320 is an abundant number, since it is smaller than the sum of its proper divisors (42095359776).

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

16199896320 is an frugal number, since it uses more digits than its factorization.

16199896320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The spelling of 16199896320 in words is "sixteen billion, one hundred ninety-nine million, eight hundred ninety-six thousand, three hundred twenty".