72563151663 has 12 divisors (see below), whose sum is σ = 104866216728. Its totient is φ = 48351076560.

The previous prime is 72563151631. The next prime is 72563151719. The reversal of 72563151663 is 36615136527.

72563151663 is a `hidden beast` number, since 7 + 2 + 5 + 631 + 5 + 1 + 6 + 6 + 3 = 666.

It is not a de Polignac number, because 72563151663 - 2⁵ = 72563151631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72563151863) 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 11 ways as a sum of consecutive naturals, for example, 2010948 + ... + 2046713.

It is an arithmetic number, because the mean of its divisors is an integer number (8738851394).

Almost surely, 2^72563151663 is an apocalyptic number.

72563151663 is a deficient number, since it is larger than the sum of its proper divisors (32303065065).

72563151663 is a wasteful number, since it uses less digits than its factorization.

72563151663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4059654 (or 4059651 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The spelling of 72563151663 in words is "seventy-two billion, five hundred sixty-three million, one hundred fifty-one thousand, six hundred sixty-three".