4180666 has 16 divisors (see below), whose sum is σ = 7275456. Its totient is φ = 1764576.

The previous prime is 4180663. The next prime is 4180679. The reversal of 4180666 is 6660814.

It is not an unprimeable number, because it can be changed into a prime (4180663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1291 + ... + 3166.

It is an arithmetic number, because the mean of its divisors is an integer number (454716).

Almost surely, 2^4180666 is an apocalyptic number.

4180666 is a deficient number, since it is larger than the sum of its proper divisors (3094790).

4180666 is a wasteful number, since it uses less digits than its factorization.

4180666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4533.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 4180666 is about 2044.6676991629. The cubic root of 4180666 is about 161.0949120807.

The spelling of 4180666 in words is "four million, one hundred eighty thousand, six hundred sixty-six".