16068418 has 4 divisors (see below), whose sum is σ = 24102630. Its totient is φ = 8034208.

The previous prime is 16068401. The next prime is 16068427. The reversal of 16068418 is 81486061.

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

It can be written as a sum of positive squares in only one way, i.e., 11108889 + 4959529 = 3333^2 + 2227^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4017103 + ... + 4017106.

Almost surely, 2^16068418 is an apocalyptic number.

16068418 is a deficient number, since it is larger than the sum of its proper divisors (8034212).

16068418 is an equidigital number, since it uses as much as digits as its factorization.

16068418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8034211.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 16068418 is about 4008.5431268729. The cubic root of 16068418 is about 252.3428712302.

The spelling of 16068418 in words is "sixteen million, sixty-eight thousand, four hundred eighteen".