18050318 has 16 divisors (see below), whose sum is σ = 31809456. Its totient is φ = 7573440.

The previous prime is 18050317. The next prime is 18050321. The reversal of 18050318 is 81305081.

It is a super-2 number, since 2×18050318² = 651627959802248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18050317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31271 + ... + 31842.

It is an arithmetic number, because the mean of its divisors is an integer number (1988091).

Almost surely, 2^18050318 is an apocalyptic number.

18050318 is a deficient number, since it is larger than the sum of its proper divisors (13759138).

18050318 is a wasteful number, since it uses less digits than its factorization.

18050318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63139.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 18050318 is about 4248.5665818014. The cubic root of 18050318 is about 262.3181167859.

Adding to 18050318 its reverse (81305081), we get a palindrome (99355399).

The spelling of 18050318 in words is "eighteen million, fifty thousand, three hundred eighteen".