260543656 has 32 divisors (see below), whose sum is σ = 531972000. Its totient is φ = 119157696.

The previous prime is 260543653. The next prime is 260543687. The reversal of 260543656 is 656345062.

260543656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (260543653) 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, 25146 + ... + 33961.

It is an arithmetic number, because the mean of its divisors is an integer number (16624125).

Almost surely, 2^260543656 is an apocalyptic number.

It is an amenable number.

260543656 is an abundant number, since it is smaller than the sum of its proper divisors (271428344).

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

260543656 is a wasteful number, since it uses less digits than its factorization.

260543656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59161 (or 59157 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 260543656 is about 16141.3647502310. The cubic root of 260543656 is about 638.6949774590.

The spelling of 260543656 in words is "two hundred sixty million, five hundred forty-three thousand, six hundred fifty-six".