320162216136424 has 16 divisors (see below), whose sum is σ = 616528591884900. Its totient is φ = 155754591633792.

The previous prime is 320162216136421. The next prime is 320162216136449. The reversal of 320162216136424 is 424631612261023.

It can be written as a sum of positive squares in 2 ways, for example, as 275984525779524 + 44177690356900 = 16612782^2 + 6646630^2 .

It is not an unprimeable number, because it can be changed into a prime (320162216136421) 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, 540814553989 + ... + 540814554580.

Almost surely, 2^{320162216136424} is an apocalyptic number.

It is an amenable number.

320162216136424 is a deficient number, since it is larger than the sum of its proper divisors (296366375748476).

320162216136424 is a wasteful number, since it uses less digits than its factorization.

320162216136424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081629108612 (or 1081629108608 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

Adding to 320162216136424 its reverse (424631612261023), we get a palindrome (744793828397447).

The spelling of 320162216136424 in words is "three hundred twenty trillion, one hundred sixty-two billion, two hundred sixteen million, one hundred thirty-six thousand, four hundred twenty-four".