18052118 has 16 divisors (see below), whose sum is σ = 31531680. Its totient is φ = 7590336.

The previous prime is 18052117. The next prime is 18052127. The reversal of 18052118 is 81125081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18052117) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11423 + ... + 12906.

It is an arithmetic number, because the mean of its divisors is an integer number (1970730).

Almost surely, 2^18052118 is an apocalyptic number.

18052118 is a deficient number, since it is larger than the sum of its proper divisors (13479562).

18052118 is a wasteful number, since it uses less digits than its factorization.

18052118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24391.

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 18052118 is about 4248.7784126735. The cubic root of 18052118 is about 262.3268360582.

Adding to 18052118 its reverse (81125081), we get a palindrome (99177199).

The spelling of 18052118 in words is "eighteen million, fifty-two thousand, one hundred eighteen".