18066082 has 8 divisors (see below), whose sum is σ = 27237276. Its totient is φ = 8986992.

The previous prime is 18066077. The next prime is 18066091. The reversal of 18066082 is 28066081.

It can be written as a sum of positive squares in 2 ways, for example, as 12117361 + 5948721 = 3481^2 + 2439^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 22533 + ... + 23320.

Almost surely, 2^18066082 is an apocalyptic number.

18066082 is a deficient number, since it is larger than the sum of its proper divisors (9171194).

18066082 is a wasteful number, since it uses less digits than its factorization.

18066082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46052.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 18066082 is about 4250.4213908741. The cubic root of 18066082 is about 262.3944585540.

Subtracting 18066082 from its reverse (28066081), we obtain a palindrome (9999999).

The spelling of 18066082 in words is "eighteen million, sixty-six thousand, eighty-two".