16344456599 has 2 divisors, whose sum is σ = 16344456600. Its totient is φ = 16344456598.

The previous prime is 16344456593. The next prime is 16344456631. The reversal of 16344456599 is 99565444361.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16344456599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16344456593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8172228299 + 8172228300.

It is an arithmetic number, because the mean of its divisors is an integer number (8172228300).

Almost surely, 2^16344456599 is an apocalyptic number.

16344456599 is a deficient number, since it is larger than the sum of its proper divisors (1).

16344456599 is an equidigital number, since it uses as much as digits as its factorization.

16344456599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13996800, while the sum is 56.

The spelling of 16344456599 in words is "sixteen billion, three hundred forty-four million, four hundred fifty-six thousand, five hundred ninety-nine".