6563223672 has 32 divisors (see below), whose sum is σ = 16605751680. Its totient is φ = 2161382240.

The previous prime is 6563223671. The next prime is 6563223697. The reversal of 6563223672 is 2763223656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6563223671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1645404 + ... + 1649387.

It is an arithmetic number, because the mean of its divisors is an integer number (518929740).

Almost surely, 2^6563223672 is an apocalyptic number.

It is an amenable number.

6563223672 is an abundant number, since it is smaller than the sum of its proper divisors (10042528008).

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

6563223672 is a wasteful number, since it uses less digits than its factorization.

6563223672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294883 (or 3294879 counting only the distinct ones).

The product of its digits is 544320, while the sum is 42.

The square root of 6563223672 is about 81013.7252075227. The cubic root of 6563223672 is about 1872.2869131610.

The spelling of 6563223672 in words is "six billion, five hundred sixty-three million, two hundred twenty-three thousand, six hundred seventy-two".