16674243 has 4 divisors (see below), whose sum is σ = 22232328. Its totient is φ = 11116160.

The previous prime is 16674233. The next prime is 16674247. The reversal of 16674243 is 34247661.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 16674243 - 2¹⁰ = 16673219 is a prime.

It is a super-3 number, since 3×16674243³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16674247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2779038 + ... + 2779043.

It is an arithmetic number, because the mean of its divisors is an integer number (5558082).

Almost surely, 2^16674243 is an apocalyptic number.

16674243 is a deficient number, since it is larger than the sum of its proper divisors (5558085).

16674243 is an equidigital number, since it uses as much as digits as its factorization.

16674243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5558084.

The product of its digits is 24192, while the sum is 33.

The square root of 16674243 is about 4083.4107067499. The cubic root of 16674243 is about 255.4751770391.

The spelling of 16674243 in words is "sixteen million, six hundred seventy-four thousand, two hundred forty-three".