1680466118699 has 2 divisors, whose sum is σ = 1680466118700. Its totient is φ = 1680466118698.

The previous prime is 1680466118651. The next prime is 1680466118707. The reversal of 1680466118699 is 9968116640861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1680466118699 - 2⁴⁰ = 580954490923 is a prime.

It is not a weakly prime, because it can be changed into another prime (1680466118099) 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, 840233059349 + 840233059350.

It is an arithmetic number, because the mean of its divisors is an integer number (840233059350).

Almost surely, 2^{1680466118699} is an apocalyptic number.

1680466118699 is a deficient number, since it is larger than the sum of its proper divisors (1).

1680466118699 is an equidigital number, since it uses as much as digits as its factorization.

1680466118699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26873856, while the sum is 65.

The spelling of 1680466118699 in words is "one trillion, six hundred eighty billion, four hundred sixty-six million, one hundred eighteen thousand, six hundred ninety-nine".