16443241 has 8 divisors (see below), whose sum is σ = 16791840. Its totient is φ = 16097088.

The previous prime is 16443209. The next prime is 16443247. The reversal of 16443241 is 14234461.

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

It is not a de Polignac number, because 16443241 - 2⁵ = 16443209 is a prime.

It is a super-3 number, since 3×16443241³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16443247) 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, 19470 + ... + 20296.

It is an arithmetic number, because the mean of its divisors is an integer number (2098980).

Almost surely, 2^16443241 is an apocalyptic number.

It is an amenable number.

16443241 is a deficient number, since it is larger than the sum of its proper divisors (348599).

16443241 is an equidigital number, since it uses as much as digits as its factorization.

16443241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223.

The product of its digits is 2304, while the sum is 25.

The square root of 16443241 is about 4055.0266336980. The cubic root of 16443241 is about 254.2899173742.

The spelling of 16443241 in words is "sixteen million, four hundred forty-three thousand, two hundred forty-one".