260631117 has 12 divisors (see below), whose sum is σ = 377455104. Its totient is φ = 173298120.

The previous prime is 260631109. The next prime is 260631169. The reversal of 260631117 is 711136062.

260631117 is a `hidden beast` number, since 26 + 0 + 631 + 1 + 1 + 7 = 666.

It is not a de Polignac number, because 260631117 - 2³ = 260631109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260631017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34359 + ... + 41252.

It is an arithmetic number, because the mean of its divisors is an integer number (31454592).

Almost surely, 2^260631117 is an apocalyptic number.

It is an amenable number.

260631117 is a deficient number, since it is larger than the sum of its proper divisors (116823987).

260631117 is a wasteful number, since it uses less digits than its factorization.

260631117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76000 (or 75997 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 260631117 is about 16144.0737423985. The cubic root of 260631117 is about 638.7664365673.

Adding to 260631117 its reverse (711136062), we get a palindrome (971767179).

The spelling of 260631117 in words is "two hundred sixty million, six hundred thirty-one thousand, one hundred seventeen".