126653159892 has 144 divisors (see below), whose sum is σ = 359636009600. Its totient is φ = 33976516608.

The previous prime is 126653159891. The next prime is 126653159917. The reversal of 126653159892 is 298951356621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126653159891) 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 47 ways as a sum of consecutive naturals, for example, 10505484 + ... + 10517532.

Almost surely, 2^126653159892 is an apocalyptic number.

126653159892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126653159892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179818004800).

126653159892 is an abundant number, since it is smaller than the sum of its proper divisors (232982849708).

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

126653159892 is a wasteful number, since it uses less digits than its factorization.

126653159892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12530 (or 12511 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 57.

The spelling of 126653159892 in words is "one hundred twenty-six billion, six hundred fifty-three million, one hundred fifty-nine thousand, eight hundred ninety-two".