6563600000 has 192 divisors, whose sum is σ = 16673542200. Its totient is φ = 2572800000.

The previous prime is 6563599997. The next prime is 6563600047. The reversal of 6563600000 is 63656.

It can be written as a sum of positive squares in 12 ways, for example, as 6135275584 + 428324416 = 78328^2 + 20696^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24399866 + ... + 24400134.

Almost surely, 2^6563600000 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 6563600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8336771100).

6563600000 is an abundant number, since it is smaller than the sum of its proper divisors (10109942200).

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

6563600000 is an frugal number, since it uses more digits than its factorization.

6563600000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 6563600000 is about 81016.0477930144. The cubic root of 6563600000 is about 1872.3226974319.

Adding to 6563600000 its reverse (63656), we get a palindrome (6563663656).

The spelling of 6563600000 in words is "six billion, five hundred sixty-three million, six hundred thousand".