63856108106 has 32 divisors (see below), whose sum is σ = 111939674112. Its totient is φ = 26750378160.

The previous prime is 63856108087. The next prime is 63856108133. The reversal of 63856108106 is 60180165836.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456191 + ... + 579501.

It is an arithmetic number, because the mean of its divisors is an integer number (3498114816).

Almost surely, 2^63856108106 is an apocalyptic number.

63856108106 is a deficient number, since it is larger than the sum of its proper divisors (48083566006).

63856108106 is a wasteful number, since it uses less digits than its factorization.

63856108106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124154.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 63856108106 in words is "sixty-three billion, eight hundred fifty-six million, one hundred eight thousand, one hundred six".