12451673566 has 16 divisors (see below), whose sum is σ = 19843770240. Its totient is φ = 5848688160.

The previous prime is 12451673527. The next prime is 12451673573. The reversal of 12451673566 is 66537615421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2898990 + ... + 2903281.

It is an arithmetic number, because the mean of its divisors is an integer number (1240235640).

Almost surely, 2^12451673566 is an apocalyptic number.

12451673566 is a deficient number, since it is larger than the sum of its proper divisors (7392096674).

12451673566 is a wasteful number, since it uses less digits than its factorization.

12451673566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5802339.

The product of its digits is 907200, while the sum is 46.

The spelling of 12451673566 in words is "twelve billion, four hundred fifty-one million, six hundred seventy-three thousand, five hundred sixty-six".