16681254683 has 2 divisors, whose sum is σ = 16681254684. Its totient is φ = 16681254682.

The previous prime is 16681254673. The next prime is 16681254701. The reversal of 16681254683 is 38645218661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16681254683 - 2¹² = 16681250587 is a prime.

It is not a weakly prime, because it can be changed into another prime (16681254613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8340627341 + 8340627342.

It is an arithmetic number, because the mean of its divisors is an integer number (8340627342).

Almost surely, 2^16681254683 is an apocalyptic number.

16681254683 is a deficient number, since it is larger than the sum of its proper divisors (1).

16681254683 is an equidigital number, since it uses as much as digits as its factorization.

16681254683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 50.

The spelling of 16681254683 in words is "sixteen billion, six hundred eighty-one million, two hundred fifty-four thousand, six hundred eighty-three".