63866106 has 24 divisors (see below), whose sum is σ = 145660320. Its totient is φ = 20168136.

The previous prime is 63866081. The next prime is 63866111. The reversal of 63866106 is 60166836.

63866106 is a `hidden beast` number, since 6 + 38 + 6 + 610 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93030 + ... + 93713.

It is an arithmetic number, because the mean of its divisors is an integer number (6069180).

Almost surely, 2^63866106 is an apocalyptic number.

63866106 is an abundant number, since it is smaller than the sum of its proper divisors (81794214).

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

63866106 is a wasteful number, since it uses less digits than its factorization.

63866106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186770 (or 186767 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 63866106 is about 7991.6272435593. The cubic root of 63866106 is about 399.7208594133.

The spelling of 63866106 in words is "sixty-three million, eight hundred sixty-six thousand, one hundred six".