16126768523 has 2 divisors, whose sum is σ = 16126768524. Its totient is φ = 16126768522.

The previous prime is 16126768517. The next prime is 16126768549. The reversal of 16126768523 is 32586762161.

It is a weak prime.

It is an emirp because it is prime and its reverse (32586762161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16126768523 - 2⁴ = 16126768507 is a prime.

It is not a weakly prime, because it can be changed into another prime (16126768423) 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, 8063384261 + 8063384262.

It is an arithmetic number, because the mean of its divisors is an integer number (8063384262).

Almost surely, 2^16126768523 is an apocalyptic number.

16126768523 is a deficient number, since it is larger than the sum of its proper divisors (1).

16126768523 is an equidigital number, since it uses as much as digits as its factorization.

16126768523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The spelling of 16126768523 in words is "sixteen billion, one hundred twenty-six million, seven hundred sixty-eight thousand, five hundred twenty-three".