63876016016 has 10 divisors (see below), whose sum is σ = 123759781062. Its totient is φ = 31938008000.

The previous prime is 63876016003. The next prime is 63876016067. The reversal of 63876016016 is 61061067836.

It can be written as a sum of positive squares in only one way, i.e., 60665660416 + 3210355600 = 246304^2 + 56660^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1996125485 + ... + 1996125516.

Almost surely, 2^63876016016 is an apocalyptic number.

It is an amenable number.

63876016016 is a deficient number, since it is larger than the sum of its proper divisors (59883765046).

63876016016 is a wasteful number, since it uses less digits than its factorization.

63876016016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992251009 (or 3992251003 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 63876016016 in words is "sixty-three billion, eight hundred seventy-six million, sixteen thousand, sixteen".