168126426242 has 16 divisors (see below), whose sum is σ = 263251575672. Its totient is φ = 80450392320.

The previous prime is 168126426211. The next prime is 168126426257. The reversal of 168126426242 is 242624621861.

168126426242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 99729008401 + 68397417841 = 315799^2 + 261529^2 .

It is a junction number, because it is equal to n+sod(n) for n = 168126426193 and 168126426202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18618263 + ... + 18627290.

Almost surely, 2^168126426242 is an apocalyptic number.

168126426242 is a deficient number, since it is larger than the sum of its proper divisors (95125149430).

168126426242 is a wasteful number, since it uses less digits than its factorization.

168126426242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37245653.

The product of its digits is 442368, while the sum is 44.

The spelling of 168126426242 in words is "one hundred sixty-eight billion, one hundred twenty-six million, four hundred twenty-six thousand, two hundred forty-two".