16522796639 has 2 divisors, whose sum is σ = 16522796640. Its totient is φ = 16522796638.

The previous prime is 16522796617. The next prime is 16522796669. The reversal of 16522796639 is 93669722561.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (93669722561) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16522796639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16522796669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8261398319 + 8261398320.

It is an arithmetic number, because the mean of its divisors is an integer number (8261398320).

Almost surely, 2^16522796639 is an apocalyptic number.

16522796639 is a deficient number, since it is larger than the sum of its proper divisors (1).

16522796639 is an equidigital number, since it uses as much as digits as its factorization.

16522796639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7348320, while the sum is 56.

The spelling of 16522796639 in words is "sixteen billion, five hundred twenty-two million, seven hundred ninety-six thousand, six hundred thirty-nine".