16926683573857 has 2 divisors, whose sum is σ = 16926683573858. Its totient is φ = 16926683573856.

The previous prime is 16926683573851. The next prime is 16926683573879. The reversal of 16926683573857 is 75837538662961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13486404243456 + 3440279330401 = 3672384^2 + 1854799^2 .

It is a cyclic number.

It is not a de Polignac number, because 16926683573857 - 2⁷ = 16926683573729 is a prime.

It is not a weakly prime, because it can be changed into another prime (16926683573851) 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, 8463341786928 + 8463341786929.

It is an arithmetic number, because the mean of its divisors is an integer number (8463341786929).

Almost surely, 2^{16926683573857} is an apocalyptic number.

It is an amenable number.

16926683573857 is a deficient number, since it is larger than the sum of its proper divisors (1).

16926683573857 is an equidigital number, since it uses as much as digits as its factorization.

16926683573857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2743372800, while the sum is 76.

The spelling of 16926683573857 in words is "sixteen trillion, nine hundred twenty-six billion, six hundred eighty-three million, five hundred seventy-three thousand, eight hundred fifty-seven".