6809552568 has 192 divisors, whose sum is σ = 23253048000. Its totient is φ = 1752053760.

The previous prime is 6809552537. The next prime is 6809552573. The reversal of 6809552568 is 8652559086.

6809552568 is a `hidden beast` number, since 6 + 80 + 9 + 552 + 5 + 6 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 255958 + ... + 281306.

It is an arithmetic number, because the mean of its divisors is an integer number (121109625).

Almost surely, 2^6809552568 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 6809552568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11626524000).

6809552568 is an abundant number, since it is smaller than the sum of its proper divisors (16443495432).

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

6809552568 is a wasteful number, since it uses less digits than its factorization.

6809552568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25422 (or 25415 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 54.

The square root of 6809552568 is about 82520.0131362084. The cubic root of 6809552568 is about 1895.4232008731.

The spelling of 6809552568 in words is "six billion, eight hundred nine million, five hundred fifty-two thousand, five hundred sixty-eight".