260648605 has 16 divisors (see below), whose sum is σ = 365068800. Its totient is φ = 174926592.

The previous prime is 260648561. The next prime is 260648621. The reversal of 260648605 is 506846062.

It is a cyclic number.

It is not a de Polignac number, because 260648605 - 2⁷ = 260648477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77580 + ... + 80869.

It is an arithmetic number, because the mean of its divisors is an integer number (22816800).

Almost surely, 2^260648605 is an apocalyptic number.

It is an amenable number.

260648605 is a deficient number, since it is larger than the sum of its proper divisors (104420195).

260648605 is a wasteful number, since it uses less digits than its factorization.

260648605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158508.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 260648605 is about 16144.6153562109. The cubic root of 260648605 is about 638.7807230395.

The spelling of 260648605 in words is "two hundred sixty million, six hundred forty-eight thousand, six hundred five".