557161673 has 2 divisors, whose sum is σ = 557161674. Its totient is φ = 557161672.

The previous prime is 557161639. The next prime is 557161697. The reversal of 557161673 is 376161755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307932304 + 249229369 = 17548^2 + 15787^2 .

It is a cyclic number.

It is not a de Polignac number, because 557161673 - 2⁶ = 557161609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 557161673.

It is not a weakly prime, because it can be changed into another prime (557161273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278580836 + 278580837.

It is an arithmetic number, because the mean of its divisors is an integer number (278580837).

Almost surely, 2^557161673 is an apocalyptic number.

It is an amenable number.

557161673 is a deficient number, since it is larger than the sum of its proper divisors (1).

557161673 is an equidigital number, since it uses as much as digits as its factorization.

557161673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132300, while the sum is 41.

The square root of 557161673 is about 23604.2723463359. The cubic root of 557161673 is about 822.8621344893.

The spelling of 557161673 in words is "five hundred fifty-seven million, one hundred sixty-one thousand, six hundred seventy-three".