16364305 has 4 divisors (see below), whose sum is σ = 19637172. Its totient is φ = 13091440.

The previous prime is 16364303. The next prime is 16364317. The reversal of 16364305 is 50346361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50346361 = 13 ⋅3872797.

It can be written as a sum of positive squares in 2 ways, for example, as 7579009 + 8785296 = 2753^2 + 2964^2 .

It is not a de Polignac number, because 16364305 - 2¹ = 16364303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16364303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1636426 + ... + 1636435.

It is an arithmetic number, because the mean of its divisors is an integer number (4909293).

Almost surely, 2^16364305 is an apocalyptic number.

It is an amenable number.

16364305 is a deficient number, since it is larger than the sum of its proper divisors (3272867).

16364305 is an equidigital number, since it uses as much as digits as its factorization.

16364305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272866.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 16364305 is about 4045.2818196017. The cubic root of 16364305 is about 253.8823571190.

The spelling of 16364305 in words is "sixteen million, three hundred sixty-four thousand, three hundred five".