12665266606 has 8 divisors (see below), whose sum is σ = 19045277424. Its totient is φ = 6316840800.

The previous prime is 12665266583. The next prime is 12665266651. The reversal of 12665266606 is 60666256621.

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, 7895250 + ... + 7896853.

It is an arithmetic number, because the mean of its divisors is an integer number (2380659678).

Almost surely, 2^12665266606 is an apocalyptic number.

12665266606 is a deficient number, since it is larger than the sum of its proper divisors (6380010818).

12665266606 is a wasteful number, since it uses less digits than its factorization.

12665266606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15792506.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 12665266606 in words is "twelve billion, six hundred sixty-five million, two hundred sixty-six thousand, six hundred six".