11428166 has 4 divisors (see below), whose sum is σ = 17142252. Its totient is φ = 5714082.

The previous prime is 11428147. The next prime is 11428201. The reversal of 11428166 is 66182411.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 2857040 + ... + 2857043.

It is an arithmetic number, because the mean of its divisors is an integer number (4285563).

Almost surely, 2^11428166 is an apocalyptic number.

11428166 is a deficient number, since it is larger than the sum of its proper divisors (5714086).

11428166 is an equidigital number, since it uses as much as digits as its factorization.

11428166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5714085.

The product of its digits is 2304, while the sum is 29.

The square root of 11428166 is about 3380.5570546879. The cubic root of 11428166 is about 225.2469124810.

The spelling of 11428166 in words is "eleven million, four hundred twenty-eight thousand, one hundred sixty-six".