16940170873 has 2 divisors, whose sum is σ = 16940170874. Its totient is φ = 16940170872.

The previous prime is 16940170853. The next prime is 16940170957. The reversal of 16940170873 is 37807104961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13996782864 + 2943388009 = 118308^2 + 54253^2 .

It is a cyclic number.

It is not a de Polignac number, because 16940170873 - 2¹⁷ = 16940039801 is a prime.

It is not a weakly prime, because it can be changed into another prime (16940170853) 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, 8470085436 + 8470085437.

It is an arithmetic number, because the mean of its divisors is an integer number (8470085437).

Almost surely, 2^16940170873 is an apocalyptic number.

It is an amenable number.

16940170873 is a deficient number, since it is larger than the sum of its proper divisors (1).

16940170873 is an equidigital number, since it uses as much as digits as its factorization.

16940170873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 16940170873 in words is "sixteen billion, nine hundred forty million, one hundred seventy thousand, eight hundred seventy-three".