16434365 has 4 divisors (see below), whose sum is σ = 19721244. Its totient is φ = 13147488.

The previous prime is 16434361. The next prime is 16434377. The reversal of 16434365 is 56343461.

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 3024121 + 13410244 = 1739^2 + 3662^2 .

It is a cyclic number.

It is not a de Polignac number, because 16434365 - 2² = 16434361 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 (16434361) 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, 1643432 + ... + 1643441.

It is an arithmetic number, because the mean of its divisors is an integer number (4930311).

Almost surely, 2^16434365 is an apocalyptic number.

It is an amenable number.

16434365 is a deficient number, since it is larger than the sum of its proper divisors (3286879).

16434365 is an equidigital number, since it uses as much as digits as its factorization.

16434365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3286878.

The product of its digits is 25920, while the sum is 32.

The square root of 16434365 is about 4053.9320418576. The cubic root of 16434365 is about 254.2441542235.

The spelling of 16434365 in words is "sixteen million, four hundred thirty-four thousand, three hundred sixty-five".