500660505605 has 8 divisors (see below), whose sum is σ = 647007422712. Its totient is φ = 369718527168.

The previous prime is 500660505589. The next prime is 500660505623. The reversal of 500660505605 is 506505066005.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29452394689 + 471208110916 = 171617^2 + 686446^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 500660505605 - 2⁴ = 500660505589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3851234594 + ... + 3851234723.

It is an arithmetic number, because the mean of its divisors is an integer number (80875927839).

Almost surely, 2^500660505605 is an apocalyptic number.

It is an amenable number.

500660505605 is a deficient number, since it is larger than the sum of its proper divisors (146346917107).

500660505605 is a wasteful number, since it uses less digits than its factorization.

500660505605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7702469335.

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 500660505605 in words is "five hundred billion, six hundred sixty million, five hundred five thousand, six hundred five".