126837868663 has 16 divisors (see below), whose sum is σ = 138791802240. Its totient is φ = 114954848800.

The previous prime is 126837868627. The next prime is 126837868667. The reversal of 126837868663 is 366868738621.

It is not a de Polignac number, because 126837868663 - 2⁹ = 126837868151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126837868595 and 126837868604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126837868667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7536528 + ... + 7553338.

It is an arithmetic number, because the mean of its divisors is an integer number (8674487640).

Almost surely, 2^126837868663 is an apocalyptic number.

126837868663 is a deficient number, since it is larger than the sum of its proper divisors (11953933577).

126837868663 is a wasteful number, since it uses less digits than its factorization.

126837868663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18878.

The product of its digits is 83607552, while the sum is 64.

The spelling of 126837868663 in words is "one hundred twenty-six billion, eight hundred thirty-seven million, eight hundred sixty-eight thousand, six hundred sixty-three".