855686684106 has 48 divisors (see below), whose sum is σ = 1928198188800. Its totient is φ = 274007077344.

The previous prime is 855686684077. The next prime is 855686684129. The reversal of 855686684106 is 601486686558.

855686684106 is a `hidden beast` number, since 8 + 5 + 568 + 6 + 68 + 4 + 1 + 0 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8079126 + ... + 8184353.

It is an arithmetic number, because the mean of its divisors is an integer number (40170795600).

Almost surely, 2^855686684106 is an apocalyptic number.

855686684106 is an abundant number, since it is smaller than the sum of its proper divisors (1072511504694).

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

855686684106 is a wasteful number, since it uses less digits than its factorization.

855686684106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16263603 (or 16263600 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 63.

The spelling of 855686684106 in words is "eight hundred fifty-five billion, six hundred eighty-six million, six hundred eighty-four thousand, one hundred six".