516942160643 has 2 divisors, whose sum is σ = 516942160644. Its totient is φ = 516942160642.

The previous prime is 516942160633. The next prime is 516942160661. The reversal of 516942160643 is 346061249615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 516942160643 - 2⁴ = 516942160627 is a prime.

It is not a weakly prime, because it can be changed into another prime (516942160633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258471080321 + 258471080322.

It is an arithmetic number, because the mean of its divisors is an integer number (258471080322).

Almost surely, 2^516942160643 is an apocalyptic number.

516942160643 is a deficient number, since it is larger than the sum of its proper divisors (1).

516942160643 is an equidigital number, since it uses as much as digits as its factorization.

516942160643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 516942160643 in words is "five hundred sixteen billion, nine hundred forty-two million, one hundred sixty thousand, six hundred forty-three".