680110681 has 16 divisors (see below), whose sum is σ = 731203200. Its totient is φ = 630609408.

The previous prime is 680110663. The next prime is 680110693. The reversal of 680110681 is 186011086.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 680110681 - 2¹¹ = 680108633 is a prime.

It is a super-2 number, since 2×680110681² = 925101076820567522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680110481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731625 + ... + 732553.

It is an arithmetic number, because the mean of its divisors is an integer number (45700200).

Almost surely, 2^680110681 is an apocalyptic number.

It is an amenable number.

680110681 is a deficient number, since it is larger than the sum of its proper divisors (51092519).

680110681 is a wasteful number, since it uses less digits than its factorization.

680110681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 680110681 is about 26078.9317457598. The cubic root of 680110681 is about 879.4136421869.

The spelling of 680110681 in words is "six hundred eighty million, one hundred ten thousand, six hundred eighty-one".