126973437168 has 80 divisors (see below), whose sum is σ = 341592708096. Its totient is φ = 40596648960.

The previous prime is 126973437163. The next prime is 126973437187. The reversal of 126973437168 is 861734379621.

It is a super-2 number, since 2×126973437168² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126973437163) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 209430 + ... + 545717.

Almost surely, 2^126973437168 is an apocalyptic number.

It is an amenable number.

126973437168 is an abundant number, since it is smaller than the sum of its proper divisors (214619270928).

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

126973437168 is a wasteful number, since it uses less digits than its factorization.

126973437168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755302 (or 755296 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 57.

The spelling of 126973437168 in words is "one hundred twenty-six billion, nine hundred seventy-three million, four hundred thirty-seven thousand, one hundred sixty-eight".