180418 has 16 divisors (see below), whose sum is σ = 316800. Its totient is φ = 77028.

The previous prime is 180413. The next prime is 180419. The reversal of 180418 is 814081.

180418 is nontrivially palindromic in base 16.

It is not an unprimeable number, because it can be changed into a prime (180413) 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, 555 + ... + 817.

It is an arithmetic number, because the mean of its divisors is an integer number (19800).

2¹⁸⁰⁴¹⁸ is an apocalyptic number.

180418 is a deficient number, since it is larger than the sum of its proper divisors (136382).

180418 is an equidigital number, since it uses as much as digits as its factorization.

180418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 180418 is about 424.7564007758. The cubic root of 180418 is about 56.5058338404.

Adding to 180418 its reverse (814081), we get a palindrome (994499).

The spelling of 180418 in words is "one hundred eighty thousand, four hundred eighteen".