616322020445143 has 2 divisors, whose sum is σ = 616322020445144. Its totient is φ = 616322020445142.

The previous prime is 616322020445119. The next prime is 616322020445147. The reversal of 616322020445143 is 341544020223616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 616322020445143 - 2⁵ = 616322020445111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 616322020445143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616322020445147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308161010222571 + 308161010222572.

It is an arithmetic number, because the mean of its divisors is an integer number (308161010222572).

Almost surely, 2^{616322020445143} is an apocalyptic number.

616322020445143 is a deficient number, since it is larger than the sum of its proper divisors (1).

616322020445143 is an equidigital number, since it uses as much as digits as its factorization.

616322020445143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 43.

Adding to 616322020445143 its reverse (341544020223616), we get a palindrome (957866040668759).

The spelling of 616322020445143 in words is "six hundred sixteen trillion, three hundred twenty-two billion, twenty million, four hundred forty-five thousand, one hundred forty-three".