11668141 has 4 divisors (see below), whose sum is σ = 11859484. Its totient is φ = 11476800.

The previous prime is 11668127. The next prime is 11668157. The reversal of 11668141 is 14186611.

11668141 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3316041 + 8352100 = 1821^2 + 2890^2 .

It is a cyclic number.

It is not a de Polignac number, because 11668141 - 2⁹ = 11667629 is a prime.

It is a super-2 number, since 2×11668141² = 272291028791762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11668441) 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, 95580 + ... + 95701.

It is an arithmetic number, because the mean of its divisors is an integer number (2964871).

Almost surely, 2^11668141 is an apocalyptic number.

It is an amenable number.

11668141 is a deficient number, since it is larger than the sum of its proper divisors (191343).

11668141 is an equidigital number, since it uses as much as digits as its factorization.

11668141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191342.

The product of its digits is 1152, while the sum is 28.

The square root of 11668141 is about 3415.8660688030. The cubic root of 11668141 is about 226.8126239387.

The spelling of 11668141 in words is "eleven million, six hundred sixty-eight thousand, one hundred forty-one".