260680605 has 16 divisors (see below), whose sum is σ = 417531264. Its totient is φ = 138882240.

The previous prime is 260680573. The next prime is 260680657. The reversal of 260680605 is 506086062.

It is not a de Polignac number, because 260680605 - 2⁵ = 260680573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6240 + ... + 23670.

It is an arithmetic number, because the mean of its divisors is an integer number (26095704).

Almost surely, 2^260680605 is an apocalyptic number.

It is an amenable number.

260680605 is a deficient number, since it is larger than the sum of its proper divisors (156850659).

260680605 is a wasteful number, since it uses less digits than its factorization.

260680605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18436.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 260680605 is about 16145.6063682972. The cubic root of 260680605 is about 638.8068631457.

The spelling of 260680605 in words is "two hundred sixty million, six hundred eighty thousand, six hundred five".