16869199499 has 12 divisors (see below), whose sum is σ = 17450305656. Its totient is φ = 16303702272.

The previous prime is 16869199493. The next prime is 16869199513. The reversal of 16869199499 is 99499196861.

It is not a de Polignac number, because 16869199499 - 2²⁸ = 16600764043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16869199493) 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, 143387 + ... + 233019.

It is an arithmetic number, because the mean of its divisors is an integer number (1454192138).

Almost surely, 2^16869199499 is an apocalyptic number.

16869199499 is a deficient number, since it is larger than the sum of its proper divisors (581106157).

16869199499 is an frugal number, since it uses more digits than its factorization.

16869199499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89806 (or 89753 counting only the distinct ones).

The product of its digits is 68024448, while the sum is 71.

The spelling of 16869199499 in words is "sixteen billion, eight hundred sixty-nine million, one hundred ninety-nine thousand, four hundred ninety-nine".