516197424161 has 2 divisors, whose sum is σ = 516197424162. Its totient is φ = 516197424160.

The previous prime is 516197424107. The next prime is 516197424163. The reversal of 516197424161 is 161424791615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 396214855936 + 119982568225 = 629456^2 + 346385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516197424161 is a prime.

Together with 516197424163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (516197424163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258098712080 + 258098712081.

It is an arithmetic number, because the mean of its divisors is an integer number (258098712081).

Almost surely, 2^516197424161 is an apocalyptic number.

It is an amenable number.

516197424161 is a deficient number, since it is larger than the sum of its proper divisors (1).

516197424161 is an equidigital number, since it uses as much as digits as its factorization.

516197424161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 47.

The spelling of 516197424161 in words is "five hundred sixteen billion, one hundred ninety-seven million, four hundred twenty-four thousand, one hundred sixty-one".