516942162691 has 2 divisors, whose sum is σ = 516942162692. Its totient is φ = 516942162690.

The previous prime is 516942162677. The next prime is 516942162703. The reversal of 516942162691 is 196261249615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 516942162691 - 2¹¹ = 516942160643 is a prime.

It is a super-2 number, since 2×516942162691² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (516952162691) 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, 258471081345 + 258471081346.

It is an arithmetic number, because the mean of its divisors is an integer number (258471081346).

Almost surely, 2^516942162691 is an apocalyptic number.

516942162691 is a deficient number, since it is larger than the sum of its proper divisors (1).

516942162691 is an equidigital number, since it uses as much as digits as its factorization.

516942162691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 52.

The spelling of 516942162691 in words is "five hundred sixteen billion, nine hundred forty-two million, one hundred sixty-two thousand, six hundred ninety-one".