6680280080 has 80 divisors (see below), whose sum is σ = 16267958784. Its totient is φ = 2546311680.

The previous prime is 6680280073. The next prime is 6680280083. The reversal of 6680280080 is 800820866.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×6680280080² = 89252283894489612800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6680280083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491942 + ... + 505338.

Almost surely, 2^6680280080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6680280080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8133979392).

6680280080 is an abundant number, since it is smaller than the sum of its proper divisors (9587678704).

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

6680280080 is a wasteful number, since it uses less digits than its factorization.

6680280080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13704 (or 13698 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 6680280080 is about 81732.9803690040. The cubic root of 6680280080 is about 1883.3522580046.

The spelling of 6680280080 in words is "six billion, six hundred eighty million, two hundred eighty thousand, eighty".