605653656 has 64 divisors (see below), whose sum is σ = 1565222400. Its totient is φ = 195178368.

The previous prime is 605653639. The next prime is 605653663. The reversal of 605653656 is 656356506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90390 + ... + 96858.

It is an arithmetic number, because the mean of its divisors is an integer number (24456600).

Almost surely, 2^605653656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 605653656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (782611200).

605653656 is an abundant number, since it is smaller than the sum of its proper divisors (959568744).

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

605653656 is a wasteful number, since it uses less digits than its factorization.

605653656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6608 (or 6604 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 42.

The square root of 605653656 is about 24610.0316131451. The cubic root of 605653656 is about 846.0735423328.

The spelling of 605653656 in words is "six hundred five million, six hundred fifty-three thousand, six hundred fifty-six".