16530841 has 4 divisors (see below), whose sum is σ = 17100900. Its totient is φ = 15960784.

The previous prime is 16530827. The next prime is 16530847. The reversal of 16530841 is 14803561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14220441 + 2310400 = 3771^2 + 1520^2 .

It is a cyclic number.

It is not a de Polignac number, because 16530841 - 2¹¹ = 16528793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16530847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284986 + ... + 285043.

It is an arithmetic number, because the mean of its divisors is an integer number (4275225).

Almost surely, 2^16530841 is an apocalyptic number.

It is an amenable number.

16530841 is a deficient number, since it is larger than the sum of its proper divisors (570059).

16530841 is an equidigital number, since it uses as much as digits as its factorization.

16530841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570058.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 16530841 is about 4065.8136946988. The cubic root of 16530841 is about 254.7406873074.

It can be divided in two parts, 16530 and 841, that added together give a palindrome (17371).

The spelling of 16530841 in words is "sixteen million, five hundred thirty thousand, eight hundred forty-one".