516416657 has 2 divisors, whose sum is σ = 516416658. Its totient is φ = 516416656.

The previous prime is 516416653. The next prime is 516416729. The reversal of 516416657 is 756614615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 516380176 + 36481 = 22724^2 + 191^2 .

It is a cyclic number.

It is not a de Polignac number, because 516416657 - 2² = 516416653 is a prime.

It is not a weakly prime, because it can be changed into another prime (516416653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258208328 + 258208329.

It is an arithmetic number, because the mean of its divisors is an integer number (258208329).

Almost surely, 2^516416657 is an apocalyptic number.

It is an amenable number.

516416657 is a deficient number, since it is larger than the sum of its proper divisors (1).

516416657 is an equidigital number, since it uses as much as digits as its factorization.

516416657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 41.

The square root of 516416657 is about 22724.8026834118. The cubic root of 516416657 is about 802.2937592377.

The spelling of 516416657 in words is "five hundred sixteen million, four hundred sixteen thousand, six hundred fifty-seven".