12606878660446 has 16 divisors (see below), whose sum is σ = 21615063192576. Its totient is φ = 5402130196536.

The previous prime is 12606878660429. The next prime is 12606878660449. The reversal of 12606878660446 is 64406687860621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12606878660449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68054266 + ... + 68239261.

It is an arithmetic number, because the mean of its divisors is an integer number (1350941449536).

Almost surely, 2^{12606878660446} is an apocalyptic number.

12606878660446 is a deficient number, since it is larger than the sum of its proper divisors (9008184532130).

12606878660446 is a wasteful number, since it uses less digits than its factorization.

12606878660446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136300143.

The product of its (nonzero) digits is 111476736, while the sum is 64.

The spelling of 12606878660446 in words is "twelve trillion, six hundred six billion, eight hundred seventy-eight million, six hundred sixty thousand, four hundred forty-six".