260132660 has 24 divisors (see below), whose sum is σ = 551914440. Its totient is φ = 102979584.

The previous prime is 260132647. The next prime is 260132669. The reversal of 260132660 is 66231062.

260132660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 60871204 + 199261456 = 7802^2 + 14116^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260132669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65105 + ... + 68984.

It is an arithmetic number, because the mean of its divisors is an integer number (22996435).

Almost surely, 2^260132660 is an apocalyptic number.

260132660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260132660 is an abundant number, since it is smaller than the sum of its proper divisors (291781780).

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

260132660 is a wasteful number, since it uses less digits than its factorization.

260132660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134195 (or 134193 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 260132660 is about 16128.6285839807. The cubic root of 260132660 is about 638.3589630984.

The spelling of 260132660 in words is "two hundred sixty million, one hundred thirty-two thousand, six hundred sixty".