4323216161 has 16 divisors (see below), whose sum is σ = 4998241728. Its totient is φ = 3695616000.

The previous prime is 4323216101. The next prime is 4323216203. The reversal of 4323216161 is 1616123234.

4323216161 = 15939² + 15940² + ... + 15955².

It is a cyclic number.

It is not a de Polignac number, because 4323216161 - 2¹⁰ = 4323215137 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4323216101) 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 15 ways as a sum of consecutive naturals, for example, 205586 + ... + 225636.

It is an arithmetic number, because the mean of its divisors is an integer number (312390108).

Almost surely, 2^4323216161 is an apocalyptic number.

It is an amenable number.

4323216161 is a deficient number, since it is larger than the sum of its proper divisors (675025567).

4323216161 is a wasteful number, since it uses less digits than its factorization.

4323216161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21232.

The product of its digits is 5184, while the sum is 29.

The square root of 4323216161 is about 65751.1685143314. The cubic root of 4323216161 is about 1629.0546365555.

Adding to 4323216161 its reverse (1616123234), we get a palindrome (5939339395).

The spelling of 4323216161 in words is "four billion, three hundred twenty-three million, two hundred sixteen thousand, one hundred sixty-one".