655208960 has 80 divisors (see below), whose sum is σ = 1795438656. Its totient is φ = 224636928.

The previous prime is 655208933. The next prime is 655208971. The reversal of 655208960 is 69802556.

It is a tau number, because it is divible by the number of its divisors (80).

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 7 ways as a sum of consecutive naturals, for example, 362 + ... + 36201.

Almost surely, 2^655208960 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 655208960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (897719328).

655208960 is an abundant number, since it is smaller than the sum of its proper divisors (1140229696).

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

655208960 is an equidigital number, since it uses as much as digits as its factorization.

655208960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36593 (or 36577 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 655208960 is about 25597.0498300097. The cubic root of 655208960 is about 868.5469027503.

It can be divided in two parts, 65 and 5208960, that added together give a palindrome (5209025).

The spelling of 655208960 in words is "six hundred fifty-five million, two hundred eight thousand, nine hundred sixty".