1680976089707 has 2 divisors, whose sum is σ = 1680976089708. Its totient is φ = 1680976089706.

The previous prime is 1680976089679. The next prime is 1680976089739. The reversal of 1680976089707 is 7079806790861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1680976089707 - 2⁴⁰ = 581464461931 is a prime.

It is a super-2 number, since 2×1680976089707² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1680976089007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 840488044853 + 840488044854.

It is an arithmetic number, because the mean of its divisors is an integer number (840488044854).

Almost surely, 2^{1680976089707} is an apocalyptic number.

1680976089707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1680976089707 is an equidigital number, since it uses as much as digits as its factorization.

1680976089707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64012032, while the sum is 68.

The spelling of 1680976089707 in words is "one trillion, six hundred eighty billion, nine hundred seventy-six million, eighty-nine thousand, seven hundred seven".