206166115 has 8 divisors (see below), whose sum is σ = 247938768. Its totient is φ = 164573280.

The previous prime is 206166113. The next prime is 206166137. The reversal of 206166115 is 511661602.

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

It is not a de Polignac number, because 206166115 - 2¹ = 206166113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206166113) 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 7 ways as a sum of consecutive naturals, for example, 42417 + ... + 47026.

It is an arithmetic number, because the mean of its divisors is an integer number (30992346).

Almost surely, 2^206166115 is an apocalyptic number.

206166115 is a deficient number, since it is larger than the sum of its proper divisors (41772653).

206166115 is an equidigital number, since it uses as much as digits as its factorization.

206166115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89909.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 206166115 is about 14358.4858184977. The cubic root of 206166115 is about 590.7527641445.

The spelling of 206166115 in words is "two hundred six million, one hundred sixty-six thousand, one hundred fifteen".