6563762673656 has 32 divisors (see below), whose sum is σ = 12465502905600. Its totient is φ = 3239646315360.

The previous prime is 6563762673647. The next prime is 6563762673659.

It is a happy number.

6563762673656 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6563762673659) 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, 1857731 + ... + 4071693.

It is an arithmetic number, because the mean of its divisors is an integer number (389546965800).

Almost surely, 2^{6563762673656} is an apocalyptic number.

It is an amenable number.

6563762673656 is a deficient number, since it is larger than the sum of its proper divisors (5901740231944).

6563762673656 is a wasteful number, since it uses less digits than its factorization.

6563762673656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218739 (or 2218735 counting only the distinct ones).

The product of its digits is 1028764800, while the sum is 68.

The spelling of 6563762673656 in words is "six trillion, five hundred sixty-three billion, seven hundred sixty-two million, six hundred seventy-three thousand, six hundred fifty-six".