127433732168 has 12 divisors (see below), whose sum is σ = 238940140995. Its totient is φ = 63716361240.

The previous prime is 127433732149. The next prime is 127433732171. The reversal of 127433732168 is 861237334721.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 63716866084 + 63716866084 = 252422^2 + 252422^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=252422.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 946583 + ... + 1072793.

Almost surely, 2^127433732168 is an apocalyptic number.

It is an amenable number.

127433732168 is a deficient number, since it is larger than the sum of its proper divisors (111506408827).

127433732168 is an frugal number, since it uses more digits than its factorization.

127433732168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252428 (or 126213 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 47.

The spelling of 127433732168 in words is "one hundred twenty-seven billion, four hundred thirty-three million, seven hundred thirty-two thousand, one hundred sixty-eight".