655130672 has 20 divisors (see below), whose sum is σ = 1450646736. Its totient is φ = 280770240.

The previous prime is 655130653. The next prime is 655130681. The reversal of 655130672 is 276031556.

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, 2924579 + ... + 2924802.

Almost surely, 2^655130672 is an apocalyptic number.

It is an amenable number.

655130672 is an abundant number, since it is smaller than the sum of its proper divisors (795516064).

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

655130672 is a wasteful number, since it uses less digits than its factorization.

655130672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5849396 (or 5849390 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 655130672 is about 25595.5205455955. The cubic root of 655130672 is about 868.5123084389.

The spelling of 655130672 in words is "six hundred fifty-five million, one hundred thirty thousand, six hundred seventy-two".