63663516350 has 96 divisors (see below), whose sum is σ = 138847184640. Its totient is φ = 21266864640.

The previous prime is 63663516317. The next prime is 63663516361. The reversal of 63663516350 is 5361536636.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2319809 + ... + 2347091.

It is an arithmetic number, because the mean of its divisors is an integer number (1446324840).

Almost surely, 2^63663516350 is an apocalyptic number.

63663516350 is an abundant number, since it is smaller than the sum of its proper divisors (75183668290).

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

63663516350 is a wasteful number, since it uses less digits than its factorization.

63663516350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27474 (or 27469 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 44.

The spelling of 63663516350 in words is "sixty-three billion, six hundred sixty-three million, five hundred sixteen thousand, three hundred fifty".