655834660 has 24 divisors (see below), whose sum is σ = 1483195896. Its totient is φ = 242154240.

The previous prime is 655834591. The next prime is 655834661. The reversal of 655834660 is 66438556.

655834660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 25623844 + 630210816 = 5062^2 + 25104^2 .

It is not an unprimeable number, because it can be changed into a prime (655834661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1260961 + ... + 1261480.

It is an arithmetic number, because the mean of its divisors is an integer number (61799829).

Almost surely, 2^655834660 is an apocalyptic number.

It is an amenable number.

655834660 is an abundant number, since it is smaller than the sum of its proper divisors (827361236).

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

655834660 is a wasteful number, since it uses less digits than its factorization.

655834660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522463 (or 2522461 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The square root of 655834660 is about 25609.2690251010. The cubic root of 655834660 is about 868.8232913685.

The spelling of 655834660 in words is "six hundred fifty-five million, eight hundred thirty-four thousand, six hundred sixty".