67531055671 has 2 divisors, whose sum is σ = 67531055672. Its totient is φ = 67531055670.

The previous prime is 67531055611. The next prime is 67531055737. The reversal of 67531055671 is 17655013576.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67531055671 - 2¹⁷ = 67530924599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67531055611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33765527835 + 33765527836.

It is an arithmetic number, because the mean of its divisors is an integer number (33765527836).

Almost surely, 2^67531055671 is an apocalyptic number.

67531055671 is a deficient number, since it is larger than the sum of its proper divisors (1).

67531055671 is an equidigital number, since it uses as much as digits as its factorization.

67531055671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 661500, while the sum is 46.

The spelling of 67531055671 in words is "sixty-seven billion, five hundred thirty-one million, fifty-five thousand, six hundred seventy-one".