16667243 has 8 divisors (see below), whose sum is σ = 17289216. Its totient is φ = 16050600.

The previous prime is 16667173. The next prime is 16667263. The reversal of 16667243 is 34276661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16667243 - 2¹⁰ = 16666219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16667263) 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, 5708 + ... + 8118.

It is an arithmetic number, because the mean of its divisors is an integer number (2161152).

Almost surely, 2^16667243 is an apocalyptic number.

16667243 is a deficient number, since it is larger than the sum of its proper divisors (621973).

16667243 is a wasteful number, since it uses less digits than its factorization.

16667243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665.

The product of its digits is 36288, while the sum is 35.

The square root of 16667243 is about 4082.5534901578. The cubic root of 16667243 is about 255.4394217617.

The spelling of 16667243 in words is "sixteen million, six hundred sixty-seven thousand, two hundred forty-three".