12463616563656 has 64 divisors (see below), whose sum is σ = 31884311257920. Its totient is φ = 4057840093440.

The previous prime is 12463616563631. The next prime is 12463616563661. The reversal of 12463616563656 is 65636561636421.

It is a self number, because there is not a number n which added to its sum of digits gives 12463616563656.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71968786 + ... + 72141758.

It is an arithmetic number, because the mean of its divisors is an integer number (498192363405).

Almost surely, 2^{12463616563656} is an apocalyptic number.

It is an amenable number.

12463616563656 is an abundant number, since it is smaller than the sum of its proper divisors (19420694694264).

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

12463616563656 is a wasteful number, since it uses less digits than its factorization.

12463616563656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242846 (or 242842 counting only the distinct ones).

The product of its digits is 83980800, while the sum is 60.

The spelling of 12463616563656 in words is "twelve trillion, four hundred sixty-three billion, six hundred sixteen million, five hundred sixty-three thousand, six hundred fifty-six".