320341216042163 has 4 divisors (see below), whose sum is σ = 322306499576328. Its totient is φ = 318375932508000.

The previous prime is 320341216042157. The next prime is 320341216042201. The reversal of 320341216042163 is 361240612143023.

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

It is a cyclic number.

It is not a de Polignac number, because 320341216042163 - 2²⁰ = 320341214993587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320341216042063) 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, 982641766838 + ... + 982641767163.

It is an arithmetic number, because the mean of its divisors is an integer number (80576624894082).

Almost surely, 2^{320341216042163} is an apocalyptic number.

320341216042163 is a deficient number, since it is larger than the sum of its proper divisors (1965283534165).

320341216042163 is a wasteful number, since it uses less digits than its factorization.

320341216042163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965283534164.

The product of its (nonzero) digits is 124416, while the sum is 38.

Adding to 320341216042163 its reverse (361240612143023), we get a palindrome (681581828185186).

The spelling of 320341216042163 in words is "three hundred twenty trillion, three hundred forty-one billion, two hundred sixteen million, forty-two thousand, one hundred sixty-three".