260172122717 has 16 divisors (see below), whose sum is σ = 283449374208. Its totient is φ = 237370124160.

The previous prime is 260172122681. The next prime is 260172122767. The reversal of 260172122717 is 717221271062.

It is not a de Polignac number, because 260172122717 - 2³⁶ = 191452645981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260172122767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511148 + ... + 884090.

It is an arithmetic number, because the mean of its divisors is an integer number (17715585888).

Almost surely, 2^260172122717 is an apocalyptic number.

It is an amenable number.

260172122717 is a deficient number, since it is larger than the sum of its proper divisors (23277251491).

260172122717 is a wasteful number, since it uses less digits than its factorization.

260172122717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373580.

The product of its (nonzero) digits is 32928, while the sum is 38.

Adding to 260172122717 its reverse (717221271062), we get a palindrome (977393393779).

The spelling of 260172122717 in words is "two hundred sixty billion, one hundred seventy-two million, one hundred twenty-two thousand, seven hundred seventeen".