655488168 has 16 divisors (see below), whose sum is σ = 1638720480. Its totient is φ = 218496048.

The previous prime is 655488157. The next prime is 655488181. The reversal of 655488168 is 861884556.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 655488168.

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, 13655980 + ... + 13656027.

It is an arithmetic number, because the mean of its divisors is an integer number (102420030).

Almost surely, 2^655488168 is an apocalyptic number.

It is an amenable number.

655488168 is an abundant number, since it is smaller than the sum of its proper divisors (983232312).

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

655488168 is a wasteful number, since it uses less digits than its factorization.

655488168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27312016 (or 27312012 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 51.

The square root of 655488168 is about 25602.5031588710. The cubic root of 655488168 is about 868.6702582088.

The spelling of 655488168 in words is "six hundred fifty-five million, four hundred eighty-eight thousand, one hundred sixty-eight".