666066060599 has 2 divisors, whose sum is σ = 666066060600. Its totient is φ = 666066060598.

The previous prime is 666066060563. The next prime is 666066060679. The reversal of 666066060599 is 995060660666.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 666066060599 - 2⁸ = 666066060343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (666066063599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333033030299 + 333033030300.

It is an arithmetic number, because the mean of its divisors is an integer number (333033030300).

Almost surely, 2^666066060599 is an apocalyptic number.

666066060599 is a deficient number, since it is larger than the sum of its proper divisors (1).

666066060599 is an equidigital number, since it uses as much as digits as its factorization.

666066060599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18895680, while the sum is 59.

The spelling of 666066060599 in words is "six hundred sixty-six billion, sixty-six million, sixty thousand, five hundred ninety-nine".