2066186 has 8 divisors (see below), whose sum is σ = 3105540. Its totient is φ = 1031008.

The previous prime is 2066179. The next prime is 2066201. The reversal of 2066186 is 6816602.

It can be written as a sum of positive squares in 2 ways, for example, as 1890625 + 175561 = 1375^2 + 419^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 980 + ... + 2256.

2^2066186 is an apocalyptic number.

2066186 is a deficient number, since it is larger than the sum of its proper divisors (1039354).

2066186 is a wasteful number, since it uses less digits than its factorization.

2066186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2066186 is about 1437.4233892629. The cubic root of 2066186 is about 127.3668685980.

The spelling of 2066186 in words is "two million, sixty-six thousand, one hundred eighty-six".