16709972599 has 2 divisors, whose sum is σ = 16709972600. Its totient is φ = 16709972598.

The previous prime is 16709972551. The next prime is 16709972621. The reversal of 16709972599 is 99527990761.

It is a strong prime.

It is an emirp because it is prime and its reverse (99527990761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16709972599 - 2²¹ = 16707875447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16709972599.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16709972899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8354986299 + 8354986300.

It is an arithmetic number, because the mean of its divisors is an integer number (8354986300).

Almost surely, 2^16709972599 is an apocalyptic number.

16709972599 is a deficient number, since it is larger than the sum of its proper divisors (1).

16709972599 is an equidigital number, since it uses as much as digits as its factorization.

16709972599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19289340, while the sum is 64.

The spelling of 16709972599 in words is "sixteen billion, seven hundred nine million, nine hundred seventy-two thousand, five hundred ninety-nine".