65216343 has 12 divisors (see below), whose sum is σ = 89854584. Its totient is φ = 42073200.

The previous prime is 65216321. The next prime is 65216353. The reversal of 65216343 is 34361256.

It is not a de Polignac number, because 65216343 - 2⁹ = 65215831 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 65216343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65216353) 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 11 ways as a sum of consecutive naturals, for example, 8428 + ... + 14193.

It is an arithmetic number, because the mean of its divisors is an integer number (7487882).

Almost surely, 2^65216343 is an apocalyptic number.

65216343 is a deficient number, since it is larger than the sum of its proper divisors (24638241).

65216343 is a wasteful number, since it uses less digits than its factorization.

65216343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22686 (or 22655 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 65216343 is about 8075.6636259815. The cubic root of 65216343 is about 402.5181618028.

Adding to 65216343 its reverse (34361256), we get a palindrome (99577599).

The spelling of 65216343 in words is "sixty-five million, two hundred sixteen thousand, three hundred forty-three".