65066110591 has 2 divisors, whose sum is σ = 65066110592. Its totient is φ = 65066110590.

The previous prime is 65066110589. The next prime is 65066110601. The reversal of 65066110591 is 19501166056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65066110591 - 2¹ = 65066110589 is a prime.

Together with 65066110589, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65066110511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32533055295 + 32533055296.

It is an arithmetic number, because the mean of its divisors is an integer number (32533055296).

Almost surely, 2^65066110591 is an apocalyptic number.

65066110591 is a deficient number, since it is larger than the sum of its proper divisors (1).

65066110591 is an equidigital number, since it uses as much as digits as its factorization.

65066110591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 40.

The spelling of 65066110591 in words is "sixty-five billion, sixty-six million, one hundred ten thousand, five hundred ninety-one".