65664407161343 has 2 divisors, whose sum is σ = 65664407161344. Its totient is φ = 65664407161342.

The previous prime is 65664407161237. The next prime is 65664407161417. The reversal of 65664407161343 is 34316170446656.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65664407161343 - 2³⁶ = 65595687684607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65664407161543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32832203580671 + 32832203580672.

It is an arithmetic number, because the mean of its divisors is an integer number (32832203580672).

Almost surely, 2^{65664407161343} is an apocalyptic number.

65664407161343 is a deficient number, since it is larger than the sum of its proper divisors (1).

65664407161343 is an equidigital number, since it uses as much as digits as its factorization.

65664407161343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26127360, while the sum is 56.

The spelling of 65664407161343 in words is "sixty-five trillion, six hundred sixty-four billion, four hundred seven million, one hundred sixty-one thousand, three hundred forty-three".