126644110063 has 8 divisors (see below), whose sum is σ = 137609899520. Its totient is φ = 116108351640.

The previous prime is 126644110013. The next prime is 126644110093. The reversal of 126644110063 is 360011446621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126644110063 is a prime.

It is a super-2 number, since 2×126644110063² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126644110003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107507145 + ... + 107508322.

It is an arithmetic number, because the mean of its divisors is an integer number (17201237440).

Almost surely, 2^126644110063 is an apocalyptic number.

126644110063 is a deficient number, since it is larger than the sum of its proper divisors (10965789457).

126644110063 is a wasteful number, since it uses less digits than its factorization.

126644110063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215015517.

The product of its (nonzero) digits is 20736, while the sum is 34.

Adding to 126644110063 its reverse (360011446621), we get a palindrome (486655556684).

The spelling of 126644110063 in words is "one hundred twenty-six billion, six hundred forty-four million, one hundred ten thousand, sixty-three".