12644066415334 has 8 divisors (see below), whose sum is σ = 19790712650160. Its totient is φ = 6047162198616.

The previous prime is 12644066415319. The next prime is 12644066415341. The reversal of 12644066415334 is 43351466044621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137435504469 + ... + 137435504560.

It is an arithmetic number, because the mean of its divisors is an integer number (2473839081270).

Almost surely, 2^{12644066415334} is an apocalyptic number.

12644066415334 is a deficient number, since it is larger than the sum of its proper divisors (7146646234826).

12644066415334 is a wasteful number, since it uses less digits than its factorization.

12644066415334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274871009054.

The product of its (nonzero) digits is 4976640, while the sum is 49.

The spelling of 12644066415334 in words is "twelve trillion, six hundred forty-four billion, sixty-six million, four hundred fifteen thousand, three hundred thirty-four".