16218014 has 4 divisors (see below), whose sum is σ = 24327024. Its totient is φ = 8109006.

The previous prime is 16217987. The next prime is 16218019. The reversal of 16218014 is 41081261.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16218019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4054502 + ... + 4054505.

It is an arithmetic number, because the mean of its divisors is an integer number (6081756).

Almost surely, 2^16218014 is an apocalyptic number.

16218014 is a deficient number, since it is larger than the sum of its proper divisors (8109010).

16218014 is an equidigital number, since it uses as much as digits as its factorization.

16218014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8109009.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 16218014 is about 4027.1595448902. The cubic root of 16218014 is about 253.1235524786.

Adding to 16218014 its reverse (41081261), we get a palindrome (57299275).

The spelling of 16218014 in words is "sixteen million, two hundred eighteen thousand, fourteen".