4218166 has 8 divisors (see below), whose sum is σ = 6545520. Its totient is φ = 2036328.

The previous prime is 4218163. The next prime is 4218167. The reversal of 4218166 is 6618124.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4218163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36306 + ... + 36421.

It is an arithmetic number, because the mean of its divisors is an integer number (818190).

Almost surely, 2^4218166 is an apocalyptic number.

4218166 is a deficient number, since it is larger than the sum of its proper divisors (2327354).

4218166 is a wasteful number, since it uses less digits than its factorization.

4218166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72758.

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

The square root of 4218166 is about 2053.8174212914. The cubic root of 4218166 is about 161.5751454684.

The spelling of 4218166 in words is "four million, two hundred eighteen thousand, one hundred sixty-six".