11398166 has 8 divisors (see below), whose sum is σ = 18412464. Its totient is φ = 5260680.

The previous prime is 11398159. The next prime is 11398169. The reversal of 11398166 is 66189311.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11398169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219170 + ... + 219221.

It is an arithmetic number, because the mean of its divisors is an integer number (2301558).

Almost surely, 2^11398166 is an apocalyptic number.

11398166 is a deficient number, since it is larger than the sum of its proper divisors (7014298).

11398166 is a wasteful number, since it uses less digits than its factorization.

11398166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438406.

The product of its digits is 7776, while the sum is 35.

The square root of 11398166 is about 3376.1170003423. The cubic root of 11398166 is about 225.0496417216.

The spelling of 11398166 in words is "eleven million, three hundred ninety-eight thousand, one hundred sixty-six".