861704682168 has 32 divisors (see below), whose sum is σ = 2350103679360. Its totient is φ = 261122630880.

The previous prime is 861704682109. The next prime is 861704682203. The reversal of 861704682168 is 861286407168.

861704682168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1632016180 + ... + 1632016707.

It is an arithmetic number, because the mean of its divisors is an integer number (73440739980).

Almost surely, 2^861704682168 is an apocalyptic number.

861704682168 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

861704682168 is an abundant number, since it is smaller than the sum of its proper divisors (1488398997192).

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

861704682168 is a wasteful number, since it uses less digits than its factorization.

861704682168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264032907 (or 3264032903 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 57.

The spelling of 861704682168 in words is "eight hundred sixty-one billion, seven hundred four million, six hundred eighty-two thousand, one hundred sixty-eight".