14168666 has 4 divisors (see below), whose sum is σ = 21253002. Its totient is φ = 7084332.

The previous prime is 14168641. The next prime is 14168719. The reversal of 14168666 is 66686141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66686141 = 733 ⋅90977.

It can be written as a sum of positive squares in only one way, i.e., 14025025 + 143641 = 3745^2 + 379^2 .

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 as a sum of consecutive naturals, namely, 3542165 + ... + 3542168.

Almost surely, 2^14168666 is an apocalyptic number.

14168666 is a deficient number, since it is larger than the sum of its proper divisors (7084336).

14168666 is an equidigital number, since it uses as much as digits as its factorization.

14168666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7084335.

The product of its digits is 41472, while the sum is 38.

The square root of 14168666 is about 3764.1288500794. The cubic root of 14168666 is about 241.9782440656.

The spelling of 14168666 in words is "fourteen million, one hundred sixty-eight thousand, six hundred sixty-six".