12635294168 has 64 divisors (see below), whose sum is σ = 28442880000. Its totient is φ = 5144844672.

The previous prime is 12635294159. The next prime is 12635294173. The reversal of 12635294168 is 86149253621.

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, 158993 + ... + 224831.

It is an arithmetic number, because the mean of its divisors is an integer number (444420000).

Almost surely, 2^12635294168 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 12635294168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14221440000).

12635294168 is an abundant number, since it is smaller than the sum of its proper divisors (15807585832).

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

12635294168 is a wasteful number, since it uses less digits than its factorization.

12635294168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66024 (or 66020 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The spelling of 12635294168 in words is "twelve billion, six hundred thirty-five million, two hundred ninety-four thousand, one hundred sixty-eight".