660506010606 has 32 divisors (see below), whose sum is σ = 1580698146720. Its totient is φ = 203232618432.

The previous prime is 660506010589. The next prime is 660506010649. The reversal of 660506010606 is 606010605066.

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 470445175 + ... + 470446578.

It is an arithmetic number, because the mean of its divisors is an integer number (49396817085).

Almost surely, 2^660506010606 is an apocalyptic number.

660506010606 is an abundant number, since it is smaller than the sum of its proper divisors (920192136114).

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

660506010606 is a wasteful number, since it uses less digits than its factorization.

660506010606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940891777 (or 940891771 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 660506010606 in words is "six hundred sixty billion, five hundred six million, ten thousand, six hundred six".