6680788081 has 12 divisors (see below), whose sum is σ = 7618791600. Its totient is φ = 5809375880.

The previous prime is 6680788067. The next prime is 6680788183. The reversal of 6680788081 is 1808870866.

6680788081 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6680788081 - 2²³ = 6672399473 is a prime.

It is a super-2 number, since 2×6680788081² = 89265858766463325122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6680788031) 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 in 11 ways as a sum of consecutive naturals, for example, 568231 + ... + 579868.

It is an arithmetic number, because the mean of its divisors is an integer number (634899300).

Almost surely, 2^6680788081 is an apocalyptic number.

It is an amenable number.

6680788081 is a deficient number, since it is larger than the sum of its proper divisors (938003519).

6680788081 is a wasteful number, since it uses less digits than its factorization.

6680788081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148156 (or 1148133 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 52.

The square root of 6680788081 is about 81736.0879966738. The cubic root of 6680788081 is about 1883.3999965509.

The spelling of 6680788081 in words is "six billion, six hundred eighty million, seven hundred eighty-eight thousand, eighty-one".