320565163162 has 4 divisors (see below), whose sum is σ = 480847744746. Its totient is φ = 160282581580.

The previous prime is 320565163159. The next prime is 320565163169. The reversal of 320565163162 is 261361565023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 291028959841 + 29536203321 = 539471^2 + 171861^2 .

It is not an unprimeable number, because it can be changed into a prime (320565163169) 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 as a sum of consecutive naturals, namely, 80141290789 + ... + 80141290792.

Almost surely, 2^320565163162 is an apocalyptic number.

320565163162 is a deficient number, since it is larger than the sum of its proper divisors (160282581584).

320565163162 is a wasteful number, since it uses less digits than its factorization.

320565163162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160282581583.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 320565163162 in words is "three hundred twenty billion, five hundred sixty-five million, one hundred sixty-three thousand, one hundred sixty-two".