18050518 has 16 divisors (see below), whose sum is σ = 27544896. Its totient is φ = 8870400.

The previous prime is 18050503. The next prime is 18050521. The reversal of 18050518 is 81505081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38755 + ... + 39217.

It is an arithmetic number, because the mean of its divisors is an integer number (1721556).

Almost surely, 2^18050518 is an apocalyptic number.

18050518 is a deficient number, since it is larger than the sum of its proper divisors (9494378).

18050518 is a wasteful number, since it uses less digits than its factorization.

18050518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 18050518 is about 4248.5901190866. The cubic root of 18050518 is about 262.3190856226.

Adding to 18050518 its reverse (81505081), we get a palindrome (99555599).

The spelling of 18050518 in words is "eighteen million, fifty thousand, five hundred eighteen".