260664108648 has 32 divisors (see below), whose sum is σ = 651695048160. Its totient is φ = 86883399360.

The previous prime is 260664108643. The next prime is 260664108713. The reversal of 260664108648 is 846801466062.

It is a self number, because there is not a number n which added to its sum of digits gives 260664108648.

It is not an unprimeable number, because it can be changed into a prime (260664108643) 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, 185178 + ... + 745398.

It is an arithmetic number, because the mean of its divisors is an integer number (20365470255).

Almost surely, 2^260664108648 is an apocalyptic number.

It is an amenable number.

260664108648 is an abundant number, since it is smaller than the sum of its proper divisors (391030939512).

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

260664108648 is a wasteful number, since it uses less digits than its factorization.

260664108648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579617 (or 579613 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 260664108648 in words is "two hundred sixty billion, six hundred sixty-four million, one hundred eight thousand, six hundred forty-eight".