16680006682939 has 2 divisors, whose sum is σ = 16680006682940. Its totient is φ = 16680006682938.

The previous prime is 16680006682901. The next prime is 16680006683057. The reversal of 16680006682939 is 93928660008661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16680006682939 - 2¹⁷ = 16680006551867 is a prime.

It is not a weakly prime, because it can be changed into another prime (16680006682639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8340003341469 + 8340003341470.

It is an arithmetic number, because the mean of its divisors is an integer number (8340003341470).

Almost surely, 2^{16680006682939} is an apocalyptic number.

16680006682939 is a deficient number, since it is larger than the sum of its proper divisors (1).

16680006682939 is an equidigital number, since it uses as much as digits as its factorization.

16680006682939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40310784, while the sum is 64.

The spelling of 16680006682939 in words is "sixteen trillion, six hundred eighty billion, six million, six hundred eighty-two thousand, nine hundred thirty-nine".