67660940159 has 2 divisors, whose sum is σ = 67660940160. Its totient is φ = 67660940158.

The previous prime is 67660940099. The next prime is 67660940197. The reversal of 67660940159 is 95104906676.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67660940159 - 2²⁰ = 67659891583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67660940159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67660946159) 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, 33830470079 + 33830470080.

It is an arithmetic number, because the mean of its divisors is an integer number (33830470080).

Almost surely, 2^67660940159 is an apocalyptic number.

67660940159 is a deficient number, since it is larger than the sum of its proper divisors (1).

67660940159 is an equidigital number, since it uses as much as digits as its factorization.

67660940159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 67660940159 in words is "sixty-seven billion, six hundred sixty million, nine hundred forty thousand, one hundred fifty-nine".