655671468 has 12 divisors (see below), whose sum is σ = 1529900120. Its totient is φ = 218557152.

The previous prime is 655671463. The next prime is 655671509. The reversal of 655671468 is 864176556.

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

It is not an unprimeable number, because it can be changed into a prime (655671463) 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, 27319633 + ... + 27319656.

Almost surely, 2^655671468 is an apocalyptic number.

It is an amenable number.

655671468 is an abundant number, since it is smaller than the sum of its proper divisors (874228652).

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

655671468 is a wasteful number, since it uses less digits than its factorization.

655671468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54639296 (or 54639294 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 655671468 is about 25606.0826367486. The cubic root of 655671468 is about 868.7512219985.

The spelling of 655671468 in words is "six hundred fifty-five million, six hundred seventy-one thousand, four hundred sixty-eight".