16920899199 has 12 divisors (see below), whose sum is σ = 24532162200. Its totient is φ = 11238662544.

The previous prime is 16920899161. The next prime is 16920899201. The reversal of 16920899199 is 99199802961.

It is not a de Polignac number, because 16920899199 - 2²³ = 16912510591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16920899299) 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, 3492189 + ... + 3497030.

It is an arithmetic number, because the mean of its divisors is an integer number (2044346850).

Almost surely, 2^16920899199 is an apocalyptic number.

16920899199 is a deficient number, since it is larger than the sum of its proper divisors (7611263001).

16920899199 is a wasteful number, since it uses less digits than its factorization.

16920899199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6989494 (or 6989491 counting only the distinct ones).

The product of its (nonzero) digits is 5668704, while the sum is 63.

The spelling of 16920899199 in words is "sixteen billion, nine hundred twenty million, eight hundred ninety-nine thousand, one hundred ninety-nine".