605605655165 has 128 divisors (see below), whose sum is σ = 877713408000. Its totient is φ = 400822007040.

The previous prime is 605605655141. The next prime is 605605655201. The reversal of 605605655165 is 561556506506.

It is not a de Polignac number, because 605605655165 - 2²⁰ = 605604606589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1367055434 + ... + 1367055876.

It is an arithmetic number, because the mean of its divisors is an integer number (6857136000).

Almost surely, 2^605605655165 is an apocalyptic number.

It is an amenable number.

605605655165 is a deficient number, since it is larger than the sum of its proper divisors (272107752835).

605605655165 is a wasteful number, since it uses less digits than its factorization.

605605655165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 50.

The spelling of 605605655165 in words is "six hundred five billion, six hundred five million, six hundred fifty-five thousand, one hundred sixty-five".