16605630319 has 2 divisors, whose sum is σ = 16605630320. Its totient is φ = 16605630318.

The previous prime is 16605630269. The next prime is 16605630323. The reversal of 16605630319 is 91303650661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16605630319 - 2²⁵ = 16572075887 is a prime.

It is a super-2 number, since 2×16605630319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16605630329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8302815159 + 8302815160.

It is an arithmetic number, because the mean of its divisors is an integer number (8302815160).

Almost surely, 2^16605630319 is an apocalyptic number.

16605630319 is a deficient number, since it is larger than the sum of its proper divisors (1).

16605630319 is an equidigital number, since it uses as much as digits as its factorization.

16605630319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 40.

The spelling of 16605630319 in words is "sixteen billion, six hundred five million, six hundred thirty thousand, three hundred nineteen".