16513912799 has 8 divisors (see below), whose sum is σ = 16555523712. Its totient is φ = 16472355480.

The previous prime is 16513912781. The next prime is 16513912823. The reversal of 16513912799 is 99721931561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16513912799 - 2⁸ = 16513912543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16513912799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16513912699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643484 + ... + 668654.

It is an arithmetic number, because the mean of its divisors is an integer number (2069440464).

Almost surely, 2^16513912799 is an apocalyptic number.

16513912799 is a deficient number, since it is larger than the sum of its proper divisors (41610913).

16513912799 is an equidigital number, since it uses as much as digits as its factorization.

16513912799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26797.

The product of its digits is 918540, while the sum is 53.

The spelling of 16513912799 in words is "sixteen billion, five hundred thirteen million, nine hundred twelve thousand, seven hundred ninety-nine".