260666133 has 24 divisors (see below), whose sum is σ = 435401568. Its totient is φ = 137493216.

The previous prime is 260666101. The next prime is 260666167. The reversal of 260666133 is 331666062.

It is a happy number.

It is not a de Polignac number, because 260666133 - 2⁵ = 260666101 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 260666094 and 260666103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260666333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66291 + ... + 70112.

It is an arithmetic number, because the mean of its divisors is an integer number (18141732).

Almost surely, 2^260666133 is an apocalyptic number.

It is an amenable number.

260666133 is a deficient number, since it is larger than the sum of its proper divisors (174735435).

260666133 is a wasteful number, since it uses less digits than its factorization.

260666133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136433 (or 136426 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 260666133 is about 16145.1581906155. The cubic root of 260666133 is about 638.7950415477.

The spelling of 260666133 in words is "two hundred sixty million, six hundred sixty-six thousand, one hundred thirty-three".