660048672 has 48 divisors (see below), whose sum is σ = 1736199360. Its totient is φ = 219562752.

The previous prime is 660048607. The next prime is 660048679. The reversal of 660048672 is 276840066.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 660048672.

It is not an unprimeable number, because it can be changed into a prime (660048679) 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, 41454 + ... + 55122.

It is an arithmetic number, because the mean of its divisors is an integer number (36170820).

Almost surely, 2^660048672 is an apocalyptic number.

It is an amenable number.

660048672 is an abundant number, since it is smaller than the sum of its proper divisors (1076150688).

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

660048672 is a wasteful number, since it uses less digits than its factorization.

660048672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14185 (or 14177 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 660048672 is about 25691.4124173818. The cubic root of 660048672 is about 870.6801709668.

The spelling of 660048672 in words is "six hundred sixty million, forty-eight thousand, six hundred seventy-two".