65712375121667 has 2 divisors, whose sum is σ = 65712375121668. Its totient is φ = 65712375121666.

The previous prime is 65712375121597. The next prime is 65712375121711. The reversal of 65712375121667 is 76612157321756.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65712375121667 - 2¹⁴ = 65712375105283 is a prime.

It is not a weakly prime, because it can be changed into another prime (65712375123667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32856187560833 + 32856187560834.

It is an arithmetic number, because the mean of its divisors is an integer number (32856187560834).

Almost surely, 2^{65712375121667} is an apocalyptic number.

65712375121667 is a deficient number, since it is larger than the sum of its proper divisors (1).

65712375121667 is an equidigital number, since it uses as much as digits as its factorization.

65712375121667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22226400, while the sum is 59.

The spelling of 65712375121667 in words is "sixty-five trillion, seven hundred twelve billion, three hundred seventy-five million, one hundred twenty-one thousand, six hundred sixty-seven".