67660946159 has 2 divisors, whose sum is σ = 67660946160. Its totient is φ = 67660946158.

The previous prime is 67660946131. The next prime is 67660946201. The reversal of 67660946159 is 95164906676.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67660946159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67660946098 and 67660946107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67660940159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33830473079 + 33830473080.

It is an arithmetic number, because the mean of its divisors is an integer number (33830473080).

Almost surely, 2^67660946159 is an apocalyptic number.

67660946159 is a deficient number, since it is larger than the sum of its proper divisors (1).

67660946159 is an equidigital number, since it uses as much as digits as its factorization.

67660946159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14696640, while the sum is 59.

The spelling of 67660946159 in words is "sixty-seven billion, six hundred sixty million, nine hundred forty-six thousand, one hundred fifty-nine".