206166106 has 8 divisors (see below), whose sum is σ = 327440340. Its totient is φ = 97019328.

The previous prime is 206166091. The next prime is 206166113. The reversal of 206166106 is 601661602.

It can be written as a sum of positive squares in 2 ways, for example, as 199063881 + 7102225 = 14109^2 + 2665^2 .

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3031821 + ... + 3031888.

Almost surely, 2^206166106 is an apocalyptic number.

206166106 is a deficient number, since it is larger than the sum of its proper divisors (121274234).

206166106 is a wasteful number, since it uses less digits than its factorization.

206166106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6063728.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 206166106 is about 14358.4855050942. The cubic root of 206166106 is about 590.7527555483.

The spelling of 206166106 in words is "two hundred six million, one hundred sixty-six thousand, one hundred six".