11660271 has 8 divisors (see below), whose sum is σ = 17768064. Its totient is φ = 6663000.

The previous prime is 11660269. The next prime is 11660329. The reversal of 11660271 is 17206611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11660271 - 2¹ = 11660269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11660221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277605 + ... + 277646.

It is an arithmetic number, because the mean of its divisors is an integer number (2221008).

Almost surely, 2^11660271 is an apocalyptic number.

11660271 is a deficient number, since it is larger than the sum of its proper divisors (6107793).

11660271 is an equidigital number, since it uses as much as digits as its factorization.

11660271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555261.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 11660271 is about 3414.7138972394. The cubic root of 11660271 is about 226.7616184751.

Adding to 11660271 its reverse (17206611), we get a palindrome (28866882).

The spelling of 11660271 in words is "eleven million, six hundred sixty thousand, two hundred seventy-one".