18066214 has 8 divisors (see below), whose sum is σ = 27339480. Its totient is φ = 8953056.

The previous prime is 18066203. The next prime is 18066221. The reversal of 18066214 is 41266081.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39744 + ... + 40195.

It is an arithmetic number, because the mean of its divisors is an integer number (3417435).

Almost surely, 2^18066214 is an apocalyptic number.

18066214 is a deficient number, since it is larger than the sum of its proper divisors (9273266).

18066214 is a wasteful number, since it uses less digits than its factorization.

18066214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80054.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 18066214 is about 4250.4369187179. The cubic root of 18066214 is about 262.3950976150.

The spelling of 18066214 in words is "eighteen million, sixty-six thousand, two hundred fourteen".