16681683341 has 2 divisors, whose sum is σ = 16681683342. Its totient is φ = 16681683340.

The previous prime is 16681683331. The next prime is 16681683367. The reversal of 16681683341 is 14338618661.

16681683341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15461927716 + 1219755625 = 124346^2 + 34925^2 .

It is a cyclic number.

It is not a de Polignac number, because 16681683341 - 2¹⁴ = 16681666957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16681683331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8340841670 + 8340841671.

It is an arithmetic number, because the mean of its divisors is an integer number (8340841671).

Almost surely, 2^16681683341 is an apocalyptic number.

It is an amenable number.

16681683341 is a deficient number, since it is larger than the sum of its proper divisors (1).

16681683341 is an equidigital number, since it uses as much as digits as its factorization.

16681683341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 47.

The spelling of 16681683341 in words is "sixteen billion, six hundred eighty-one million, six hundred eighty-three thousand, three hundred forty-one".