671052555432163 has 2 divisors, whose sum is σ = 671052555432164. Its totient is φ = 671052555432162.

The previous prime is 671052555432143. The next prime is 671052555432199. The reversal of 671052555432163 is 361234555250176.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 671052555432163 - 2¹⁷ = 671052555301091 is a prime.

It is not a weakly prime, because it can be changed into another prime (671052555432143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335526277716081 + 335526277716082.

It is an arithmetic number, because the mean of its divisors is an integer number (335526277716082).

Almost surely, 2^{671052555432163} is an apocalyptic number.

671052555432163 is a deficient number, since it is larger than the sum of its proper divisors (1).

671052555432163 is an equidigital number, since it uses as much as digits as its factorization.

671052555432163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680000, while the sum is 55.

The spelling of 671052555432163 in words is "six hundred seventy-one trillion, fifty-two billion, five hundred fifty-five million, four hundred thirty-two thousand, one hundred sixty-three".