655302656 has 56 divisors (see below), whose sum is σ = 1321125120. Its totient is φ = 325009408.

The previous prime is 655302649. The next prime is 655302667. The reversal of 655302656 is 656203556.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1367825 + ... + 1368303.

It is an arithmetic number, because the mean of its divisors is an integer number (23591520).

Almost surely, 2^655302656 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 655302656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660562560).

655302656 is an abundant number, since it is smaller than the sum of its proper divisors (665822464).

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

655302656 is an equidigital number, since it uses as much as digits as its factorization.

655302656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 38.

The square root of 655302656 is about 25598.8799754989. The cubic root of 655302656 is about 868.5883020070.

It can be divided in two parts, 65530 and 2656, that added together give a palindrome (68186).

The spelling of 655302656 in words is "six hundred fifty-five million, three hundred two thousand, six hundred fifty-six".