666027066073313 has 24 divisors (see below), whose sum is σ = 784104949922112. Its totient is φ = 563999217020064.

The previous prime is 666027066073309. The next prime is 666027066073331. The reversal of 666027066073313 is 313370660720666.

It is a happy number.

It is not a de Polignac number, because 666027066073313 - 2² = 666027066073309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (666027066073013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1070477231 + ... + 1071099227.

It is an arithmetic number, because the mean of its divisors is an integer number (32671039580088).

Almost surely, 2^{666027066073313} is an apocalyptic number.

It is an amenable number.

666027066073313 is a deficient number, since it is larger than the sum of its proper divisors (118077883848799).

666027066073313 is a wasteful number, since it uses less digits than its factorization.

666027066073313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885381 (or 885374 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 56.

The spelling of 666027066073313 in words is "six hundred sixty-six trillion, twenty-seven billion, sixty-six million, seventy-three thousand, three hundred thirteen".