680097163 has 2 divisors, whose sum is σ = 680097164. Its totient is φ = 680097162.

The previous prime is 680097161. The next prime is 680097169. The reversal of 680097163 is 361790086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 680097163 - 2¹ = 680097161 is a prime.

It is a super-2 number, since 2×680097163² = 925064302241297138, which contains 22 as substring.

Together with 680097161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (680097161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340048581 + 340048582.

It is an arithmetic number, because the mean of its divisors is an integer number (340048582).

Almost surely, 2^680097163 is an apocalyptic number.

680097163 is a deficient number, since it is larger than the sum of its proper divisors (1).

680097163 is an equidigital number, since it uses as much as digits as its factorization.

680097163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 680097163 is about 26078.6725697456. The cubic root of 680097163 is about 879.4078156881.

The spelling of 680097163 in words is "six hundred eighty million, ninety-seven thousand, one hundred sixty-three".