6671309568 has 288 divisors, whose sum is σ = 22742361600. Its totient is φ = 1685422080.

The previous prime is 6671309563. The next prime is 6671309569. The reversal of 6671309568 is 8659031766.

It is a self number, because there is not a number n which added to its sum of digits gives 6671309568.

It is not an unprimeable number, because it can be changed into a prime (6671309563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2186508 + ... + 2189556.

Almost surely, 2^6671309568 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 6671309568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11371180800).

6671309568 is an abundant number, since it is smaller than the sum of its proper divisors (16071052032).

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

6671309568 is a wasteful number, since it uses less digits than its factorization.

6671309568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123 (or 3109 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 6671309568 is about 81678.0849922426. The cubic root of 6671309568 is about 1882.5088701172.

The spelling of 6671309568 in words is "six billion, six hundred seventy-one million, three hundred nine thousand, five hundred sixty-eight".