18068852 has 6 divisors (see below), whose sum is σ = 31620498. Its totient is φ = 9034424.

The previous prime is 18068849. The next prime is 18068857. The reversal of 18068852 is 25886081.

It can be written as a sum of positive squares in only one way, i.e., 16289296 + 1779556 = 4036^2 + 1334^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18068857) 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 as a sum of consecutive naturals, namely, 2258603 + ... + 2258610.

It is an arithmetic number, because the mean of its divisors is an integer number (5270083).

Almost surely, 2^18068852 is an apocalyptic number.

It is an amenable number.

18068852 is a deficient number, since it is larger than the sum of its proper divisors (13551646).

18068852 is a wasteful number, since it uses less digits than its factorization.

18068852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4517217 (or 4517215 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 18068852 is about 4250.7472284294. The cubic root of 18068852 is about 262.4078684992.

The spelling of 18068852 in words is "eighteen million, sixty-eight thousand, eight hundred fifty-two".