666017441573060 has 24 divisors (see below), whose sum is σ = 1402447626303360. Its totient is φ = 265681072057824.

The previous prime is 666017441573053. The next prime is 666017441573087. The reversal of 666017441573060 is 60375144710666.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 666017441572987 and 666017441573005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45369028190 + ... + 45369042869.

It is an arithmetic number, because the mean of its divisors is an integer number (58435317762640).

Almost surely, 2^{666017441573060} is an apocalyptic number.

It is an amenable number.

666017441573060 is an abundant number, since it is smaller than the sum of its proper divisors (736430184730300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

666017441573060 is a wasteful number, since it uses less digits than its factorization.

666017441573060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90738071435 (or 90738071433 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 56.

The spelling of 666017441573060 in words is "six hundred sixty-six trillion, seventeen billion, four hundred forty-one million, five hundred seventy-three thousand, sixty".