18060418 has 16 divisors (see below), whose sum is σ = 27891864. Its totient is φ = 8765440.

The previous prime is 18060397. The next prime is 18060433. The reversal of 18060418 is 81406081.

It can be written as a sum of positive squares in 4 ways, for example, as 17918289 + 142129 = 4233^2 + 377^2 .

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, 20646 + ... + 21502.

Almost surely, 2^18060418 is an apocalyptic number.

18060418 is a deficient number, since it is larger than the sum of its proper divisors (9831446).

18060418 is a wasteful number, since it uses less digits than its factorization.

18060418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 18060418 is about 4249.7550517647. The cubic root of 18060418 is about 262.3670340954.

Adding to 18060418 its reverse (81406081), we get a palindrome (99466499).

The spelling of 18060418 in words is "eighteen million, sixty thousand, four hundred eighteen".