260165806668 has 18 divisors (see below), whose sum is σ = 657641344724. Its totient is φ = 86721935544.

The previous prime is 260165806631. The next prime is 260165806669. The reversal of 260165806668 is 866608561062.

It is a happy number.

260165806668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×260165806668² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (260165806669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3613413946 + ... + 3613414017.

Almost surely, 2^260165806668 is an apocalyptic number.

It is an amenable number.

260165806668 is an abundant number, since it is smaller than the sum of its proper divisors (397475538056).

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

260165806668 is a wasteful number, since it uses less digits than its factorization.

260165806668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7226827973 (or 7226827968 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 260165806668 in words is "two hundred sixty billion, one hundred sixty-five million, eight hundred six thousand, six hundred sixty-eight".