16643341 has 8 divisors (see below), whose sum is σ = 19553184. Its totient is φ = 13966320.

The previous prime is 16643339. The next prime is 16643351. The reversal of 16643341 is 14334661.

It is the 1666-th star 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 16643341 - 2¹ = 16643339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16643351) 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, 58051 + ... + 58336.

It is an arithmetic number, because the mean of its divisors is an integer number (2444148).

Almost surely, 2^16643341 is an apocalyptic number.

16643341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16643341 is a deficient number, since it is larger than the sum of its proper divisors (2909843).

16643341 is a wasteful number, since it uses less digits than its factorization.

16643341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116411.

The product of its digits is 5184, while the sum is 28.

The square root of 16643341 is about 4079.6251053252. The cubic root of 16643341 is about 255.3172573069.

It can be divided in two parts, 1664 and 3341, that added together give a palindrome (5005).

The spelling of 16643341 in words is "sixteen million, six hundred forty-three thousand, three hundred forty-one".