516706465445531 has 2 divisors, whose sum is σ = 516706465445532. Its totient is φ = 516706465445530.

The previous prime is 516706465445507. The next prime is 516706465445557. The reversal of 516706465445531 is 135544564607615.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516706465445531 is a prime.

It is a super-2 number, since 2×516706465445531² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (516706465445591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258353232722765 + 258353232722766.

It is an arithmetic number, because the mean of its divisors is an integer number (258353232722766).

Almost surely, 2^{516706465445531} is an apocalyptic number.

516706465445531 is a deficient number, since it is larger than the sum of its proper divisors (1).

516706465445531 is an equidigital number, since it uses as much as digits as its factorization.

516706465445531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440000, while the sum is 62.

The spelling of 516706465445531 in words is "five hundred sixteen trillion, seven hundred six billion, four hundred sixty-five million, four hundred forty-five thousand, five hundred thirty-one".