6568231820 has 12 divisors (see below), whose sum is σ = 13793286864. Its totient is φ = 2627292720.

The previous prime is 6568231819. The next prime is 6568231829. The reversal of 6568231820 is 281328656.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6568231829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164205776 + ... + 164205815.

It is an arithmetic number, because the mean of its divisors is an integer number (1149440572).

Almost surely, 2^6568231820 is an apocalyptic number.

It is an amenable number.

6568231820 is an abundant number, since it is smaller than the sum of its proper divisors (7225055044).

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

6568231820 is a wasteful number, since it uses less digits than its factorization.

6568231820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328411600 (or 328411598 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 6568231820 is about 81044.6285696961. The cubic root of 6568231820 is about 1872.7630158832.

The spelling of 6568231820 in words is "six billion, five hundred sixty-eight million, two hundred thirty-one thousand, eight hundred twenty".