63558563612 has 48 divisors (see below), whose sum is σ = 118326523392. Its totient is φ = 29768912640.

The previous prime is 63558563611. The next prime is 63558563671. The reversal of 63558563612 is 21636585536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63558563611) 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 15 ways as a sum of consecutive naturals, for example, 23688023 + ... + 23690705.

It is an arithmetic number, because the mean of its divisors is an integer number (2465135904).

Almost surely, 2^63558563612 is an apocalyptic number.

It is an amenable number.

63558563612 is a deficient number, since it is larger than the sum of its proper divisors (54767959780).

63558563612 is a wasteful number, since it uses less digits than its factorization.

63558563612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218 (or 4216 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 50.

The spelling of 63558563612 in words is "sixty-three billion, five hundred fifty-eight million, five hundred sixty-three thousand, six hundred twelve".