861312323213168 has 10 divisors (see below), whose sum is σ = 1668792626225544. Its totient is φ = 430656161606576.

The previous prime is 861312323213149. The next prime is 861312323213239.

861312323213168 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26916010100396 + ... + 26916010100427.

Almost surely, 2^{861312323213168} is an apocalyptic number.

It is an amenable number.

861312323213168 is a deficient number, since it is larger than the sum of its proper divisors (807480303012376).

861312323213168 is a wasteful number, since it uses less digits than its factorization.

861312323213168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53832020200831 (or 53832020200825 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 50.

The spelling of 861312323213168 in words is "eight hundred sixty-one trillion, three hundred twelve billion, three hundred twenty-three million, two hundred thirteen thousand, one hundred sixty-eight".