16672418 has 16 divisors (see below), whose sum is σ = 28745280. Its totient is φ = 7104336.

The previous prime is 16672417. The next prime is 16672421. The reversal of 16672418 is 81427661.

It is not an unprimeable number, because it can be changed into a prime (16672417) 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, 821 + ... + 5832.

It is an arithmetic number, because the mean of its divisors is an integer number (1796580).

Almost surely, 2^16672418 is an apocalyptic number.

16672418 is a deficient number, since it is larger than the sum of its proper divisors (12072862).

16672418 is a wasteful number, since it uses less digits than its factorization.

16672418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6841.

The product of its digits is 16128, while the sum is 35.

The square root of 16672418 is about 4083.1872354816. The cubic root of 16672418 is about 255.4658560920.

The spelling of 16672418 in words is "sixteen million, six hundred seventy-two thousand, four hundred eighteen".