260866516325281 has 16 divisors (see below), whose sum is σ = 275648630521600. Its totient is φ = 246189890160000.

The previous prime is 260866516325237. The next prime is 260866516325293. The reversal of 260866516325281 is 182523615668062.

It is not a de Polignac number, because 260866516325281 - 2²⁷ = 260866382107553 is a prime.

It is a super-2 number, since 2×260866516325281² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260866516320281) 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, 32814781 + ... + 39981781.

It is an arithmetic number, because the mean of its divisors is an integer number (17228039407600).

Almost surely, 2^{260866516325281} is an apocalyptic number.

It is an amenable number.

260866516325281 is a deficient number, since it is larger than the sum of its proper divisors (14782114196319).

260866516325281 is a wasteful number, since it uses less digits than its factorization.

260866516325281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7174360.

The product of its (nonzero) digits is 49766400, while the sum is 61.

The spelling of 260866516325281 in words is "two hundred sixty trillion, eight hundred sixty-six billion, five hundred sixteen million, three hundred twenty-five thousand, two hundred eighty-one".