861223606322168 has 16 divisors (see below), whose sum is σ = 1618648186113000. Its totient is φ = 429584090025376.

The previous prime is 861223606322141. The next prime is 861223606322179.

861223606322168 is nontrivially palindromic in base 10.

861223606322168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×861223606322168³ (a number of 46 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128464138403 + ... + 128464145106.

Almost surely, 2^{861223606322168} is an apocalyptic number.

It is an amenable number.

861223606322168 is a deficient number, since it is larger than the sum of its proper divisors (757424579790832).

861223606322168 is a wasteful number, since it uses less digits than its factorization.

861223606322168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256928283934 (or 256928283930 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 56.

The spelling of 861223606322168 in words is "eight hundred sixty-one trillion, two hundred twenty-three billion, six hundred six million, three hundred twenty-two thousand, one hundred sixty-eight".