12672671566 has 8 divisors (see below), whose sum is σ = 20009481480. Its totient is φ = 6002844408.

The previous prime is 12672671551. The next prime is 12672671579. The reversal of 12672671566 is 66517627621.

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, 166745641 + ... + 166745716.

It is an arithmetic number, because the mean of its divisors is an integer number (2501185185).

Almost surely, 2^12672671566 is an apocalyptic number.

12672671566 is a deficient number, since it is larger than the sum of its proper divisors (7336809914).

12672671566 is a wasteful number, since it uses less digits than its factorization.

12672671566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333491378.

The product of its digits is 1270080, while the sum is 49.

The spelling of 12672671566 in words is "twelve billion, six hundred seventy-two million, six hundred seventy-one thousand, five hundred sixty-six".