12166743330406 has 48 divisors (see below), whose sum is σ = 21269423642400. Its totient is φ = 5204570692608.

The previous prime is 12166743330359. The next prime is 12166743330457. The reversal of 12166743330406 is 60403334766121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 781966855 + ... + 781982413.

It is an arithmetic number, because the mean of its divisors is an integer number (443112992550).

Almost surely, 2^{12166743330406} is an apocalyptic number.

12166743330406 is a deficient number, since it is larger than the sum of its proper divisors (9102680311994).

12166743330406 is a wasteful number, since it uses less digits than its factorization.

12166743330406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29981 (or 29974 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 46.

The spelling of 12166743330406 in words is "twelve trillion, one hundred sixty-six billion, seven hundred forty-three million, three hundred thirty thousand, four hundred six".