11530166 has 4 divisors (see below), whose sum is σ = 17295252. Its totient is φ = 5765082.

The previous prime is 11530157. The next prime is 11530177. The reversal of 11530166 is 66103511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66103511 = 757 ⋅87323.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2882540 + ... + 2882543.

It is an arithmetic number, because the mean of its divisors is an integer number (4323813).

Almost surely, 2^11530166 is an apocalyptic number.

11530166 is a deficient number, since it is larger than the sum of its proper divisors (5765086).

11530166 is an equidigital number, since it uses as much as digits as its factorization.

11530166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5765085.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 11530166 is about 3395.6098126846. The cubic root of 11530166 is about 225.9150619286.

Adding to 11530166 its reverse (66103511), we get a palindrome (77633677).

The spelling of 11530166 in words is "eleven million, five hundred thirty thousand, one hundred sixty-six".