706675173631866 has 128 divisors (see below), whose sum is σ = 1674950270400000. Its totient is φ = 220077420982272.

The previous prime is 706675173631753. The next prime is 706675173631871. The reversal of 706675173631866 is 668136371576607.

706675173631866 is a `hidden beast` number, since 7 + 0 + 6 + 6 + 7 + 517 + 36 + 3 + 18 + 66 = 666.

706675173631866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 706675173631794 and 706675173631803.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6363578310 + ... + 6363689358.

It is an arithmetic number, because the mean of its divisors is an integer number (13085548987500).

Almost surely, 2^{706675173631866} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 706675173631866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (837475135200000).

706675173631866 is an abundant number, since it is smaller than the sum of its proper divisors (968275096768134).

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

706675173631866 is a wasteful number, since it uses less digits than its factorization.

706675173631866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161813 (or 161807 counting only the distinct ones).

The product of its (nonzero) digits is 960180480, while the sum is 72.

The spelling of 706675173631866 in words is "seven hundred six trillion, six hundred seventy-five billion, one hundred seventy-three million, six hundred thirty-one thousand, eight hundred sixty-six".