260531775165 has 32 divisors (see below), whose sum is σ = 417486385152. Its totient is φ = 138738600000.

The previous prime is 260531775139. The next prime is 260531775223. The reversal of 260531775165 is 561577135062.

It is not a de Polignac number, because 260531775165 - 2¹² = 260531771069 is a prime.

It is a super-2 number, since 2×260531775165² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36429340 + ... + 36436490.

It is an arithmetic number, because the mean of its divisors is an integer number (13046449536).

Almost surely, 2^260531775165 is an apocalyptic number.

It is an amenable number.

260531775165 is a deficient number, since it is larger than the sum of its proper divisors (156954609987).

260531775165 is a wasteful number, since it uses less digits than its factorization.

260531775165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10521.

The product of its (nonzero) digits is 1323000, while the sum is 48.

The spelling of 260531775165 in words is "two hundred sixty billion, five hundred thirty-one million, seven hundred seventy-five thousand, one hundred sixty-five".