63516894108 has 24 divisors (see below), whose sum is σ = 152986928640. Its totient is φ = 20489320560.

The previous prime is 63516894107. The next prime is 63516894157. The reversal of 63516894108 is 80149861536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63516894107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85371798 + ... + 85372541.

It is an arithmetic number, because the mean of its divisors is an integer number (6374455360).

Almost surely, 2^63516894108 is an apocalyptic number.

It is an amenable number.

63516894108 is an abundant number, since it is smaller than the sum of its proper divisors (89470034532).

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

63516894108 is a wasteful number, since it uses less digits than its factorization.

63516894108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170744377 (or 170744375 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 63516894108 in words is "sixty-three billion, five hundred sixteen million, eight hundred ninety-four thousand, one hundred eight".