16122656999 has 2 divisors, whose sum is σ = 16122657000. Its totient is φ = 16122656998.

The previous prime is 16122656951. The next prime is 16122657029. The reversal of 16122656999 is 99965622161.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16122656999 - 2⁸ = 16122656743 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16122656699) 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, 8061328499 + 8061328500.

It is an arithmetic number, because the mean of its divisors is an integer number (8061328500).

Almost surely, 2^16122656999 is an apocalyptic number.

16122656999 is a deficient number, since it is larger than the sum of its proper divisors (1).

16122656999 is an equidigital number, since it uses as much as digits as its factorization.

16122656999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3149280, while the sum is 56.

The spelling of 16122656999 in words is "sixteen billion, one hundred twenty-two million, six hundred fifty-six thousand, nine hundred ninety-nine".