16211441 has 8 divisors (see below), whose sum is σ = 16687944. Its totient is φ = 15738880.

The previous prime is 16211417. The next prime is 16211449. The reversal of 16211441 is 14411261.

It can be written as a sum of positive squares in 4 ways, for example, as 970225 + 15241216 = 985^2 + 3904^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16211441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16211449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8705 + ... + 10401.

It is an arithmetic number, because the mean of its divisors is an integer number (2085993).

Almost surely, 2^16211441 is an apocalyptic number.

It is an amenable number.

16211441 is a deficient number, since it is larger than the sum of its proper divisors (476503).

16211441 is a wasteful number, since it uses less digits than its factorization.

16211441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971.

The product of its digits is 192, while the sum is 20.

The square root of 16211441 is about 4026.3433783025. The cubic root of 16211441 is about 253.0893517039.

The spelling of 16211441 in words is "sixteen million, two hundred eleven thousand, four hundred forty-one".