126660234546 has 64 divisors (see below), whose sum is σ = 296608665600. Its totient is φ = 39953768400.

The previous prime is 126660234523. The next prime is 126660234557. The reversal of 126660234546 is 645432066621.

It is a happy number.

It is a super-2 number, since 2×126660234546² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 866931 + ... + 1002441.

It is an arithmetic number, because the mean of its divisors is an integer number (4634510400).

Almost surely, 2^126660234546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126660234546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148304332800).

126660234546 is an abundant number, since it is smaller than the sum of its proper divisors (169948431054).

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

126660234546 is a wasteful number, since it uses less digits than its factorization.

126660234546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136452 (or 136446 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 126660234546 in words is "one hundred twenty-six billion, six hundred sixty million, two hundred thirty-four thousand, five hundred forty-six".