616776573071 has 2 divisors, whose sum is σ = 616776573072. Its totient is φ = 616776573070.

The previous prime is 616776573037. The next prime is 616776573073. The reversal of 616776573071 is 170375677616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 616776573071 - 2³⁴ = 599596703887 is a prime.

Together with 616776573073, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 616776572998 and 616776573016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616776573073) 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, 308388286535 + 308388286536.

It is an arithmetic number, because the mean of its divisors is an integer number (308388286536).

Almost surely, 2^616776573071 is an apocalyptic number.

616776573071 is a deficient number, since it is larger than the sum of its proper divisors (1).

616776573071 is an equidigital number, since it uses as much as digits as its factorization.

616776573071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7779240, while the sum is 56.

The spelling of 616776573071 in words is "six hundred sixteen billion, seven hundred seventy-six million, five hundred seventy-three thousand, seventy-one".