516156161597 has 2 divisors, whose sum is σ = 516156161598. Its totient is φ = 516156161596.

The previous prime is 516156161539. The next prime is 516156161617. The reversal of 516156161597 is 795161651615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 496938993721 + 19217167876 = 704939^2 + 138626^2 .

It is a cyclic number.

It is not a de Polignac number, because 516156161597 - 2¹⁸ = 516155899453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516156161527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258078080798 + 258078080799.

It is an arithmetic number, because the mean of its divisors is an integer number (258078080799).

Almost surely, 2^516156161597 is an apocalyptic number.

It is an amenable number.

516156161597 is a deficient number, since it is larger than the sum of its proper divisors (1).

516156161597 is an equidigital number, since it uses as much as digits as its factorization.

516156161597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1701000, while the sum is 53.

The spelling of 516156161597 in words is "five hundred sixteen billion, one hundred fifty-six million, one hundred sixty-one thousand, five hundred ninety-seven".