260243170133 has 4 divisors (see below), whose sum is σ = 260247865068. Its totient is φ = 260238475200.

The previous prime is 260243170127. The next prime is 260243170147. The reversal of 260243170133 is 331071342062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 102302103409 + 157941066724 = 319847^2 + 397418^2 .

It is a cyclic number.

It is not a de Polignac number, because 260243170133 - 2²⁶ = 260176061269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 260243170133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260243170193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2263316 + ... + 2375517.

It is an arithmetic number, because the mean of its divisors is an integer number (65061966267).

Almost surely, 2^260243170133 is an apocalyptic number.

It is an amenable number.

260243170133 is a deficient number, since it is larger than the sum of its proper divisors (4694935).

260243170133 is an equidigital number, since it uses as much as digits as its factorization.

260243170133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4694934.

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 260243170133 in words is "two hundred sixty billion, two hundred forty-three million, one hundred seventy thousand, one hundred thirty-three".