275131660 has 12 divisors (see below), whose sum is σ = 577776528. Its totient is φ = 110052656.

The previous prime is 275131627. The next prime is 275131669. The reversal of 275131660 is 66131572.

It is not an unprimeable number, because it can be changed into a prime (275131669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6878272 + ... + 6878311.

It is an arithmetic number, because the mean of its divisors is an integer number (48148044).

Almost surely, 2^275131660 is an apocalyptic number.

275131660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275131660 is an abundant number, since it is smaller than the sum of its proper divisors (302644868).

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

275131660 is a wasteful number, since it uses less digits than its factorization.

275131660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13756592 (or 13756590 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 275131660 is about 16587.0931751166. The cubic root of 275131660 is about 650.3994861833.

The spelling of 275131660 in words is "two hundred seventy-five million, one hundred thirty-one thousand, six hundred sixty".