6856568652 has 24 divisors (see below), whose sum is σ = 16269825600. Its totient is φ = 2246784976.

The previous prime is 6856568651. The next prime is 6856568683. The reversal of 6856568652 is 2568656586.

It is a junction number, because it is equal to n+sod(n) for n = 6856568592 and 6856568601.

It is not an unprimeable number, because it can be changed into a prime (6856568651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4841502 + ... + 4842917.

It is an arithmetic number, because the mean of its divisors is an integer number (677909400).

Almost surely, 2^6856568652 is an apocalyptic number.

It is an amenable number.

6856568652 is an abundant number, since it is smaller than the sum of its proper divisors (9413256948).

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

6856568652 is a wasteful number, since it uses less digits than its factorization.

6856568652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9684485 (or 9684483 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 57.

The square root of 6856568652 is about 82804.3999555579. The cubic root of 6856568652 is about 1899.7754722677.

The spelling of 6856568652 in words is "six billion, eight hundred fifty-six million, five hundred sixty-eight thousand, six hundred fifty-two".