655543068 has 12 divisors (see below), whose sum is σ = 1529600520. Its totient is φ = 218514352.

The previous prime is 655543067. The next prime is 655543087. The reversal of 655543068 is 860345556.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655543067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27314283 + ... + 27314306.

It is an arithmetic number, because the mean of its divisors is an integer number (127466710).

Almost surely, 2^655543068 is an apocalyptic number.

It is an amenable number.

655543068 is an abundant number, since it is smaller than the sum of its proper divisors (874057452).

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

655543068 is a wasteful number, since it uses less digits than its factorization.

655543068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54628596 (or 54628594 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The square root of 655543068 is about 25603.5752972119. The cubic root of 655543068 is about 868.6945091758.

The spelling of 655543068 in words is "six hundred fifty-five million, five hundred forty-three thousand, sixty-eight".