605506565605506 has 16 divisors (see below), whose sum is σ = 1211013608095584. Its totient is φ = 201835442387744.

The previous prime is 605506565605477. The next prime is 605506565605619.

605506565605506 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 605506565605506.

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, 2148051 + ... + 34865846.

It is an arithmetic number, because the mean of its divisors is an integer number (75688350505974).

Almost surely, 2^{605506565605506} is an apocalyptic number.

605506565605506 is an abundant number, since it is smaller than the sum of its proper divisors (605507042490078).

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

605506565605506 is a wasteful number, since it uses less digits than its factorization.

605506565605506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39740385.

The product of its (nonzero) digits is 121500000, while the sum is 60.

The spelling of 605506565605506 in words is "six hundred five trillion, five hundred six billion, five hundred sixty-five million, six hundred five thousand, five hundred six".