65066605543 has 2 divisors, whose sum is σ = 65066605544. Its totient is φ = 65066605542.

The previous prime is 65066605507. The next prime is 65066605547. The reversal of 65066605543 is 34550666056.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65066605543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65066605493 and 65066605502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65066605547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32533302771 + 32533302772.

It is an arithmetic number, because the mean of its divisors is an integer number (32533302772).

Almost surely, 2^65066605543 is an apocalyptic number.

65066605543 is a deficient number, since it is larger than the sum of its proper divisors (1).

65066605543 is an equidigital number, since it uses as much as digits as its factorization.

65066605543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944000, while the sum is 46.

The spelling of 65066605543 in words is "sixty-five billion, sixty-six million, six hundred five thousand, five hundred forty-three".