260655077171220 has 96 divisors (see below), whose sum is σ = 731152156694400. Its totient is φ = 69382526613504.

The previous prime is 260655077171213. The next prime is 260655077171273. The reversal of 260655077171220 is 22171770556062.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349326696 + ... + 350072064.

It is an arithmetic number, because the mean of its divisors is an integer number (7616168298900).

Almost surely, 2^{260655077171220} is an apocalyptic number.

260655077171220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260655077171220 is an abundant number, since it is smaller than the sum of its proper divisors (470497079523180).

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

260655077171220 is a wasteful number, since it uses less digits than its factorization.

260655077171220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755897 (or 755895 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 51.

The spelling of 260655077171220 in words is "two hundred sixty trillion, six hundred fifty-five billion, seventy-seven million, one hundred seventy-one thousand, two hundred twenty".