16683350161 has 2 divisors, whose sum is σ = 16683350162. Its totient is φ = 16683350160.

The previous prime is 16683350149. The next prime is 16683350191. The reversal of 16683350161 is 16105338661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10212113025 + 6471237136 = 101055^2 + 80444^2 .

It is a cyclic number.

It is not a de Polignac number, because 16683350161 - 2⁹ = 16683349649 is a prime.

It is not a weakly prime, because it can be changed into another prime (16683350191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8341675080 + 8341675081.

It is an arithmetic number, because the mean of its divisors is an integer number (8341675081).

Almost surely, 2^16683350161 is an apocalyptic number.

It is an amenable number.

16683350161 is a deficient number, since it is larger than the sum of its proper divisors (1).

16683350161 is an equidigital number, since it uses as much as digits as its factorization.

16683350161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 16683350161 in words is "sixteen billion, six hundred eighty-three million, three hundred fifty thousand, one hundred sixty-one".