16103305 has 4 divisors (see below), whose sum is σ = 19323972. Its totient is φ = 12882640.

The previous prime is 16103303. The next prime is 16103413. The reversal of 16103305 is 50330161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50330161 = 7 ⋅7190023.

It can be written as a sum of positive squares in 2 ways, for example, as 6843456 + 9259849 = 2616^2 + 3043^2 .

It is not a de Polignac number, because 16103305 - 2¹ = 16103303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16103303) 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, 1610326 + ... + 1610335.

It is an arithmetic number, because the mean of its divisors is an integer number (4830993).

Almost surely, 2^16103305 is an apocalyptic number.

It is an amenable number.

16103305 is a deficient number, since it is larger than the sum of its proper divisors (3220667).

16103305 is an equidigital number, since it uses as much as digits as its factorization.

16103305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220666.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 16103305 is about 4012.8923484190. The cubic root of 16103305 is about 252.5253642461.

Adding to 16103305 its reverse (50330161), we get a palindrome (66433466).

The spelling of 16103305 in words is "sixteen million, one hundred three thousand, three hundred five".