6669080856 has 96 divisors (see below), whose sum is σ = 18389592000. Its totient is φ = 2182989312.

The previous prime is 6669080849. The next prime is 6669080863. The reversal of 6669080856 is 6580809666.

It is an interprime number because it is at equal distance from previous prime (6669080849) and next prime (6669080863).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1253530 + ... + 1258838.

It is an arithmetic number, because the mean of its divisors is an integer number (191558250).

Almost surely, 2^6669080856 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 6669080856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9194796000).

6669080856 is an abundant number, since it is smaller than the sum of its proper divisors (11720511144).

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

6669080856 is a wasteful number, since it uses less digits than its factorization.

6669080856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5633 (or 5626 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The square root of 6669080856 is about 81664.4405846266. The cubic root of 6669080856 is about 1882.2992142586.

The spelling of 6669080856 in words is "six billion, six hundred sixty-nine million, eighty thousand, eight hundred fifty-six".