63738418216 has 32 divisors (see below), whose sum is σ = 130943397600. Its totient is φ = 28845483840.

The previous prime is 63738418213. The next prime is 63738418301. The reversal of 63738418216 is 61281483736.

It is a self number, because there is not a number n which added to its sum of digits gives 63738418216.

It is not an unprimeable number, because it can be changed into a prime (63738418213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1561290 + ... + 1601593.

It is an arithmetic number, because the mean of its divisors is an integer number (4091981175).

Almost surely, 2^63738418216 is an apocalyptic number.

It is an amenable number.

63738418216 is an abundant number, since it is smaller than the sum of its proper divisors (67204979384).

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

63738418216 is a wasteful number, since it uses less digits than its factorization.

63738418216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163129 (or 3163125 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The spelling of 63738418216 in words is "sixty-three billion, seven hundred thirty-eight million, four hundred eighteen thousand, two hundred sixteen".