6680206680 has 64 divisors (see below), whose sum is σ = 22903568640. Its totient is φ = 1526904192.

The previous prime is 6680206651. The next prime is 6680206693. The reversal of 6680206680 is 866020866.

It is a super-2 number, since 2×6680206680² = 89250322575033244800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3975474 + ... + 3977153.

It is an arithmetic number, because the mean of its divisors is an integer number (357868260).

Almost surely, 2^6680206680 is an apocalyptic number.

6680206680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6680206680 is an abundant number, since it is smaller than the sum of its proper divisors (16223361960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6680206680 is a wasteful number, since it uses less digits than its factorization.

6680206680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7952648 (or 7952644 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 6680206680 is about 81732.5313446243. The cubic root of 6680206680 is about 1883.3453601620.

The spelling of 6680206680 in words is "six billion, six hundred eighty million, two hundred six thousand, six hundred eighty".