557156667017 has 2 divisors, whose sum is σ = 557156667018. Its totient is φ = 557156667016.

The previous prime is 557156666993. The next prime is 557156667043. The reversal of 557156667017 is 710766651755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 468096798976 + 89059868041 = 684176^2 + 298429^2 .

It is a cyclic number.

It is not a de Polignac number, because 557156667017 - 2²² = 557152472713 is a prime.

It is not a weakly prime, because it can be changed into another prime (557156667097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278578333508 + 278578333509.

It is an arithmetic number, because the mean of its divisors is an integer number (278578333509).

Almost surely, 2^557156667017 is an apocalyptic number.

It is an amenable number.

557156667017 is a deficient number, since it is larger than the sum of its proper divisors (1).

557156667017 is an equidigital number, since it uses as much as digits as its factorization.

557156667017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9261000, while the sum is 56.

The spelling of 557156667017 in words is "five hundred fifty-seven billion, one hundred fifty-six million, six hundred sixty-seven thousand, seventeen".