260686266 has 8 divisors (see below), whose sum is σ = 521372544. Its totient is φ = 86895420.

The previous prime is 260686259. The next prime is 260686267. The reversal of 260686266 is 662686062.

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

260686266 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (260686267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21723850 + ... + 21723861.

It is an arithmetic number, because the mean of its divisors is an integer number (65171568).

Almost surely, 2^260686266 is an apocalyptic number.

260686266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

260686266 is a wasteful number, since it uses less digits than its factorization.

260686266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43447716.

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 260686266 is about 16145.7816781969. The cubic root of 260686266 is about 638.8114872712.

The spelling of 260686266 in words is "two hundred sixty million, six hundred eighty-six thousand, two hundred sixty-six".