11830166 has 4 divisors (see below), whose sum is σ = 17745252. Its totient is φ = 5915082.

The previous prime is 11830163. The next prime is 11830187. The reversal of 11830166 is 66103811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66103811 = 31 ⋅2132381.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11830163) 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 as a sum of consecutive naturals, namely, 2957540 + ... + 2957543.

It is an arithmetic number, because the mean of its divisors is an integer number (4436313).

Almost surely, 2^11830166 is an apocalyptic number.

11830166 is a deficient number, since it is larger than the sum of its proper divisors (5915086).

11830166 is an equidigital number, since it uses as much as digits as its factorization.

11830166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915085.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 11830166 is about 3439.5008358772. The cubic root of 11830166 is about 227.8576494211.

Adding to 11830166 its reverse (66103811), we get a palindrome (77933977).

The spelling of 11830166 in words is "eleven million, eight hundred thirty thousand, one hundred sixty-six".