260635640106 has 16 divisors (see below), whose sum is σ = 521384729184. Its totient is φ = 86859638544.

The previous prime is 260635640087. The next prime is 260635640107. The reversal of 260635640106 is 601046536062.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (260635640107) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4697160 + ... + 4752323.

It is an arithmetic number, because the mean of its divisors is an integer number (32586545574).

Almost surely, 2^260635640106 is an apocalyptic number.

260635640106 is an abundant number, since it is smaller than the sum of its proper divisors (260749089078).

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

260635640106 is a wasteful number, since it uses less digits than its factorization.

260635640106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9454085.

The product of its (nonzero) digits is 155520, while the sum is 39.

It can be divided in two parts, 2606356 and 40106, that added together give a palindrome (2646462).

The spelling of 260635640106 in words is "two hundred sixty billion, six hundred thirty-five million, six hundred forty thousand, one hundred six".