556166514422341 has 2 divisors, whose sum is σ = 556166514422342. Its totient is φ = 556166514422340.

The previous prime is 556166514422297. The next prime is 556166514422359. The reversal of 556166514422341 is 143224415661655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288887470956100 + 267279043466241 = 16996690^2 + 16348671^2 .

It is a cyclic number.

It is not a de Polignac number, because 556166514422341 - 2⁹ = 556166514421829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556166514423341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278083257211170 + 278083257211171.

It is an arithmetic number, because the mean of its divisors is an integer number (278083257211171).

Almost surely, 2^{556166514422341} is an apocalyptic number.

It is an amenable number.

556166514422341 is a deficient number, since it is larger than the sum of its proper divisors (1).

556166514422341 is an equidigital number, since it uses as much as digits as its factorization.

556166514422341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736000, while the sum is 55.

The spelling of 556166514422341 in words is "five hundred fifty-six trillion, one hundred sixty-six billion, five hundred fourteen million, four hundred twenty-two thousand, three hundred forty-one".