126315867648 has 160 divisors (see below), whose sum is σ = 347819738112. Its totient is φ = 40694169600.

The previous prime is 126315867593. The next prime is 126315867677. The reversal of 126315867648 is 846768513621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55376268 + ... + 55378548.

Almost surely, 2^126315867648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126315867648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173909869056).

126315867648 is an abundant number, since it is smaller than the sum of its proper divisors (221503870464).

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

126315867648 is a wasteful number, since it uses less digits than its factorization.

126315867648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496 (or 3480 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 57.

The spelling of 126315867648 in words is "one hundred twenty-six billion, three hundred fifteen million, eight hundred sixty-seven thousand, six hundred forty-eight".