605505656 has 32 divisors (see below), whose sum is σ = 1303357440. Its totient is φ = 258333408.

The previous prime is 605505611. The next prime is 605505713. The reversal of 605505656 is 656505506.

It is a happy 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, 11756 + ... + 36731.

It is an arithmetic number, because the mean of its divisors is an integer number (40729920).

Almost surely, 2^605505656 is an apocalyptic number.

It is an amenable number.

605505656 is an abundant number, since it is smaller than the sum of its proper divisors (697851784).

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

605505656 is a wasteful number, since it uses less digits than its factorization.

605505656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48723 (or 48719 counting only the distinct ones).

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

The square root of 605505656 is about 24607.0245255293. The cubic root of 605505656 is about 846.0046200569.

The spelling of 605505656 in words is "six hundred five million, five hundred five thousand, six hundred fifty-six".