12166466 has 8 divisors (see below), whose sum is σ = 19653564. Its totient is φ = 5615280.

The previous prime is 12166459. The next prime is 12166481. The reversal of 12166466 is 66466121.

It can be written as a sum of positive squares in 2 ways, for example, as 11937025 + 229441 = 3455^2 + 479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233945 + ... + 233996.

Almost surely, 2^12166466 is an apocalyptic number.

12166466 is a deficient number, since it is larger than the sum of its proper divisors (7487098).

12166466 is a wasteful number, since it uses less digits than its factorization.

12166466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467956.

The product of its digits is 10368, while the sum is 32.

The square root of 12166466 is about 3488.0461579515. The cubic root of 12166466 is about 229.9966351115.

The spelling of 12166466 in words is "twelve million, one hundred sixty-six thousand, four hundred sixty-six".