12168675566 has 16 divisors (see below), whose sum is σ = 18307114560. Its totient is φ = 6066323040.

The previous prime is 12168675559. The next prime is 12168675581. The reversal of 12168675566 is 66557686121.

It is a happy number.

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, 1717880 + ... + 1724948.

It is an arithmetic number, because the mean of its divisors is an integer number (1144194660).

Almost surely, 2^12168675566 is an apocalyptic number.

12168675566 is a deficient number, since it is larger than the sum of its proper divisors (6138438994).

12168675566 is a wasteful number, since it uses less digits than its factorization.

12168675566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9499.

The product of its digits is 3628800, while the sum is 53.

The spelling of 12168675566 in words is "twelve billion, one hundred sixty-eight million, six hundred seventy-five thousand, five hundred sixty-six".