65066605507 has 2 divisors, whose sum is σ = 65066605508. Its totient is φ = 65066605506.

The previous prime is 65066605493. The next prime is 65066605543. The reversal of 65066605507 is 70550666056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65066605507 - 2⁷ = 65066605379 is a prime.

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

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32533302753 + 32533302754.

It is an arithmetic number, because the mean of its divisors is an integer number (32533302754).

Almost surely, 2^65066605507 is an apocalyptic number.

65066605507 is a deficient number, since it is larger than the sum of its proper divisors (1).

65066605507 is an equidigital number, since it uses as much as digits as its factorization.

65066605507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134000, while the sum is 46.

The spelling of 65066605507 in words is "sixty-five billion, sixty-six million, six hundred five thousand, five hundred seven".