126162684639 has 12 divisors (see below), whose sum is σ = 182240449872. Its totient is φ = 84105936000.

The previous prime is 126162684577. The next prime is 126162684671. The reversal of 126162684639 is 936486261621.

126162684639 is a `hidden beast` number, since 1 + 2 + 6 + 1 + 626 + 8 + 4 + 6 + 3 + 9 = 666.

It is not a de Polignac number, because 126162684639 - 2⁹ = 126162684127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126162684679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137199 + ... + 520719.

It is an arithmetic number, because the mean of its divisors is an integer number (15186704156).

Almost surely, 2^126162684639 is an apocalyptic number.

126162684639 is a deficient number, since it is larger than the sum of its proper divisors (56077765233).

126162684639 is a wasteful number, since it uses less digits than its factorization.

126162684639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420078 (or 420075 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The spelling of 126162684639 in words is "one hundred twenty-six billion, one hundred sixty-two million, six hundred eighty-four thousand, six hundred thirty-nine".