2193166 has 4 divisors (see below), whose sum is σ = 3289752. Its totient is φ = 1096582.

The previous prime is 2193137. The next prime is 2193167. The reversal of 2193166 is 6613912.

2193166 is digitally balanced in base 2, 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 is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193167) 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, 548290 + ... + 548293.

It is an arithmetic number, because the mean of its divisors is an integer number (822438).

2^2193166 is an apocalyptic number.

2193166 is a deficient number, since it is larger than the sum of its proper divisors (1096586).

2193166 is a wasteful number, since it uses less digits than its factorization.

2193166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096585.

The product of its digits is 1944, while the sum is 28.

The square root of 2193166 is about 1480.9341646407. The cubic root of 2193166 is about 129.9243346664.

The spelling of 2193166 in words is "two million, one hundred ninety-three thousand, one hundred sixty-six".