16609988299 has 2 divisors, whose sum is σ = 16609988300. Its totient is φ = 16609988298.

The previous prime is 16609988257. The next prime is 16609988327. The reversal of 16609988299 is 99288990661.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16609988299 is a prime.

It is a super-2 number, since 2×16609988299² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16609988599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8304994149 + 8304994150.

It is an arithmetic number, because the mean of its divisors is an integer number (8304994150).

Almost surely, 2^16609988299 is an apocalyptic number.

16609988299 is a deficient number, since it is larger than the sum of its proper divisors (1).

16609988299 is an equidigital number, since it uses as much as digits as its factorization.

16609988299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30233088, while the sum is 67.

The spelling of 16609988299 in words is "sixteen billion, six hundred nine million, nine hundred eighty-eight thousand, two hundred ninety-nine".