16966243 has 8 divisors (see below), whose sum is σ = 19422720. Its totient is φ = 14517960.

The previous prime is 16966237. The next prime is 16966253. The reversal of 16966243 is 34266961.

It is a happy number.

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 16966243 - 2⁵ = 16966211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16966223) 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, 3348 + ... + 6718.

It is an arithmetic number, because the mean of its divisors is an integer number (2427840).

Almost surely, 2^16966243 is an apocalyptic number.

16966243 is a deficient number, since it is larger than the sum of its proper divisors (2456477).

16966243 is an equidigital number, since it uses as much as digits as its factorization.

16966243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097.

The product of its digits is 46656, while the sum is 37.

The square root of 16966243 is about 4119.0099538603. The cubic root of 16966243 is about 256.9578526572.

The spelling of 16966243 in words is "sixteen million, nine hundred sixty-six thousand, two hundred forty-three".