16944266851 has 2 divisors, whose sum is σ = 16944266852. Its totient is φ = 16944266850.

The previous prime is 16944266837. The next prime is 16944266873. The reversal of 16944266851 is 15866244961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16944266851 - 2¹⁷ = 16944135779 is a prime.

It is not a weakly prime, because it can be changed into another prime (16944566851) 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, 8472133425 + 8472133426.

It is an arithmetic number, because the mean of its divisors is an integer number (8472133426).

Almost surely, 2^16944266851 is an apocalyptic number.

16944266851 is a deficient number, since it is larger than the sum of its proper divisors (1).

16944266851 is an equidigital number, since it uses as much as digits as its factorization.

16944266851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2488320, while the sum is 52.

The spelling of 16944266851 in words is "sixteen billion, nine hundred forty-four million, two hundred sixty-six thousand, eight hundred fifty-one".