18354118 has 16 divisors (see below), whose sum is σ = 29354400. Its totient is φ = 8576896.

The previous prime is 18354103. The next prime is 18354131. The reversal of 18354118 is 81145381.

It is a self number, because there is not a number n which added to its sum of digits gives 18354118.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3255 + ... + 6877.

It is an arithmetic number, because the mean of its divisors is an integer number (1834650).

Almost surely, 2^18354118 is an apocalyptic number.

18354118 is a deficient number, since it is larger than the sum of its proper divisors (11000282).

18354118 is a wasteful number, since it uses less digits than its factorization.

18354118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3791.

The product of its digits is 3840, while the sum is 31.

The square root of 18354118 is about 4284.1706315225. The cubic root of 18354118 is about 263.7816050414.

Adding to 18354118 its reverse (81145381), we get a palindrome (99499499).

The spelling of 18354118 in words is "eighteen million, three hundred fifty-four thousand, one hundred eighteen".