16199800639 has 12 divisors (see below), whose sum is σ = 17703108792. Its totient is φ = 14701634400.

The previous prime is 16199800637. The next prime is 16199800651. The reversal of 16199800639 is 93600899161.

It is not a de Polignac number, because 16199800639 - 2¹ = 16199800637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16199800637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5908809 + ... + 5911549.

It is an arithmetic number, because the mean of its divisors is an integer number (1475259066).

Almost surely, 2^16199800639 is an apocalyptic number.

16199800639 is a deficient number, since it is larger than the sum of its proper divisors (1503308153).

16199800639 is an frugal number, since it uses more digits than its factorization.

16199800639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218 (or 3485 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 52.

The spelling of 16199800639 in words is "sixteen billion, one hundred ninety-nine million, eight hundred thousand, six hundred thirty-nine".