16912649599 has 2 divisors, whose sum is σ = 16912649600. Its totient is φ = 16912649598.

The previous prime is 16912649591. The next prime is 16912649647. The reversal of 16912649599 is 99594621961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16912649599 - 2³ = 16912649591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16912649591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8456324799 + 8456324800.

It is an arithmetic number, because the mean of its divisors is an integer number (8456324800).

Almost surely, 2^16912649599 is an apocalyptic number.

16912649599 is a deficient number, since it is larger than the sum of its proper divisors (1).

16912649599 is an equidigital number, since it uses as much as digits as its factorization.

16912649599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9447840, while the sum is 61.

The spelling of 16912649599 in words is "sixteen billion, nine hundred twelve million, six hundred forty-nine thousand, five hundred ninety-nine".