655848648 has 192 divisors, whose sum is σ = 2257382400. Its totient is φ = 167339520.

The previous prime is 655848647. The next prime is 655848649. The reversal of 655848648 is 846848556.

655848648 is a `hidden beast` number, since 6 + 558 + 4 + 86 + 4 + 8 = 666.

655848648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (655848647) and next prime (655848649).

It is a junction number, because it is equal to n+sod(n) for n = 655848594 and 655848603.

It is not an unprimeable number, because it can be changed into a prime (655848647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 201498 + ... + 204726.

It is an arithmetic number, because the mean of its divisors is an integer number (11757200).

Almost surely, 2^655848648 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 655848648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1128691200).

655848648 is an abundant number, since it is smaller than the sum of its proper divisors (1601533752).

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

655848648 is a wasteful number, since it uses less digits than its factorization.

655848648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3292 (or 3285 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 54.

The square root of 655848648 is about 25609.5421278866. The cubic root of 655848648 is about 868.8294682373.

The spelling of 655848648 in words is "six hundred fifty-five million, eight hundred forty-eight thousand, six hundred forty-eight".