67148667148571 has 2 divisors, whose sum is σ = 67148667148572. Its totient is φ = 67148667148570.

The previous prime is 67148667148517. The next prime is 67148667148679. The reversal of 67148667148571 is 17584176684176.

67148667148571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (67148667148517) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67148667148571 - 2¹⁰ = 67148667147547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67148667148495 and 67148667148504.

It is not a weakly prime, because it can be changed into another prime (67148667118571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33574333574285 + 33574333574286.

It is an arithmetic number, because the mean of its divisors is an integer number (33574333574286).

Almost surely, 2^{67148667148571} is an apocalyptic number.

67148667148571 is a deficient number, since it is larger than the sum of its proper divisors (1).

67148667148571 is an equidigital number, since it uses as much as digits as its factorization.

67148667148571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 379330560, while the sum is 71.

The spelling of 67148667148571 in words is "sixty-seven trillion, one hundred forty-eight billion, six hundred sixty-seven million, one hundred forty-eight thousand, five hundred seventy-one".