260666606 has 8 divisors (see below), whose sum is σ = 399319200. Its totient is φ = 127560208.

The previous prime is 260666599. The next prime is 260666641. The reversal of 260666606 is 606666062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 260666606.

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 3 ways as a sum of consecutive naturals, for example, 1386431 + ... + 1386618.

It is an arithmetic number, because the mean of its divisors is an integer number (49914900).

Almost surely, 2^260666606 is an apocalyptic number.

260666606 is a deficient number, since it is larger than the sum of its proper divisors (138652594).

260666606 is a wasteful number, since it uses less digits than its factorization.

260666606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773098.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 260666606 is about 16145.1728389634. The cubic root of 260666606 is about 638.7954279294.

The spelling of 260666606 in words is "two hundred sixty million, six hundred sixty-six thousand, six hundred six".