260643612107 has 8 divisors (see below), whose sum is σ = 261537268320. Its totient is φ = 259751257920.

The previous prime is 260643612083. The next prime is 260643612139. The reversal of 260643612107 is 701216346062.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 260643612107 - 2²⁸ = 260375176651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260643612907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76394 + ... + 726032.

It is an arithmetic number, because the mean of its divisors is an integer number (32692158540).

Almost surely, 2^260643612107 is an apocalyptic number.

260643612107 is a deficient number, since it is larger than the sum of its proper divisors (893656213).

260643612107 is an equidigital number, since it uses as much as digits as its factorization.

260643612107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651013.

The product of its (nonzero) digits is 72576, while the sum is 38.

Adding to 260643612107 its reverse (701216346062), we get a palindrome (961859958169).

The spelling of 260643612107 in words is "two hundred sixty billion, six hundred forty-three million, six hundred twelve thousand, one hundred seven".