656543248 has 40 divisors (see below), whose sum is σ = 1293399360. Its totient is φ = 322788480.

The previous prime is 656543219. The next prime is 656543249. The reversal of 656543248 is 842345656.

It is not an unprimeable number, because it can be changed into a prime (656543249) 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, 748186 + ... + 749062.

It is an arithmetic number, because the mean of its divisors is an integer number (32334984).

Almost surely, 2^656543248 is an apocalyptic number.

It is an amenable number.

656543248 is a deficient number, since it is larger than the sum of its proper divisors (636856112).

656543248 is a wasteful number, since it uses less digits than its factorization.

656543248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615 (or 1609 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

The square root of 656543248 is about 25623.0998905285. The cubic root of 656543248 is about 869.1360816746.

The spelling of 656543248 in words is "six hundred fifty-six million, five hundred forty-three thousand, two hundred forty-eight".