4018066 has 24 divisors (see below), whose sum is σ = 6807780. Its totient is φ = 1766016.

The previous prime is 4018061. The next prime is 4018081. The reversal of 4018066 is 6608104.

It can be written as a sum of positive squares in 6 ways, for example, as 1550025 + 2468041 = 1245^2 + 1571^2 .

It is a super-2 number, since 2×4018066² = 32289708760712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4018066.

It is not an unprimeable number, because it can be changed into a prime (4018061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55006 + ... + 55078.

Almost surely, 2^4018066 is an apocalyptic number.

4018066 is a deficient number, since it is larger than the sum of its proper divisors (2789714).

4018066 is a wasteful number, since it uses less digits than its factorization.

4018066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 4018066 is about 2004.5114117909. The cubic root of 4018066 is about 158.9787295360.

The spelling of 4018066 in words is "four million, eighteen thousand, sixty-six".