260617868 has 72 divisors (see below), whose sum is σ = 557706240. Its totient is φ = 106112160.

The previous prime is 260617849. The next prime is 260617879. The reversal of 260617868 is 868716062.

260617868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 358121 + ... + 358847.

It is an arithmetic number, because the mean of its divisors is an integer number (7745920).

Almost surely, 2^260617868 is an apocalyptic number.

260617868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260617868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278853120).

260617868 is an abundant number, since it is smaller than the sum of its proper divisors (297088372).

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

260617868 is a wasteful number, since it uses less digits than its factorization.

260617868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 260617868 is about 16143.6634008517. The cubic root of 260617868 is about 638.7556126360.

The spelling of 260617868 in words is "two hundred sixty million, six hundred seventeen thousand, eight hundred sixty-eight".