680982805077163 has 2 divisors, whose sum is σ = 680982805077164. Its totient is φ = 680982805077162.

The previous prime is 680982805077109. The next prime is 680982805077191. The reversal of 680982805077163 is 361770508289086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 680982805077163 - 2¹⁷ = 680982804946091 is a prime.

It is a super-2 number, since 2×680982805077163² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 680982805077092 and 680982805077101.

It is not a weakly prime, because it can be changed into another prime (680982875077163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340491402538581 + 340491402538582.

It is an arithmetic number, because the mean of its divisors is an integer number (340491402538582).

Almost surely, 2^{680982805077163} is an apocalyptic number.

680982805077163 is a deficient number, since it is larger than the sum of its proper divisors (1).

680982805077163 is an equidigital number, since it uses as much as digits as its factorization.

680982805077163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243855360, while the sum is 70.

The spelling of 680982805077163 in words is "six hundred eighty trillion, nine hundred eighty-two billion, eight hundred five million, seventy-seven thousand, one hundred sixty-three".