12645116334 has 64 divisors (see below), whose sum is σ = 28369154880. Its totient is φ = 4174894080.

The previous prime is 12645116251. The next prime is 12645116371. The reversal of 12645116334 is 43361154621.

12645116334 is a `hidden beast` number, since 1 + 2 + 6 + 4 + 5 + 11 + 633 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2622694 + ... + 2627510.

It is an arithmetic number, because the mean of its divisors is an integer number (443268045).

Almost surely, 2^12645116334 is an apocalyptic number.

12645116334 is an abundant number, since it is smaller than the sum of its proper divisors (15724038546).

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

12645116334 is a wasteful number, since it uses less digits than its factorization.

12645116334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5282 (or 5276 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 12645116334 in words is "twelve billion, six hundred forty-five million, one hundred sixteen thousand, three hundred thirty-four".