206655115 has 32 divisors (see below), whose sum is σ = 274176000. Its totient is φ = 148832640.

The previous prime is 206655089. The next prime is 206655139. The reversal of 206655115 is 511556602.

It is not a de Polignac number, because 206655115 - 2¹¹ = 206653067 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 591961 + ... + 592309.

It is an arithmetic number, because the mean of its divisors is an integer number (8568000).

Almost surely, 2^206655115 is an apocalyptic number.

206655115 is a deficient number, since it is larger than the sum of its proper divisors (67520885).

206655115 is a wasteful number, since it uses less digits than its factorization.

206655115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 206655115 is about 14375.5039911650. The cubic root of 206655115 is about 591.2194590199.

The spelling of 206655115 in words is "two hundred six million, six hundred fifty-five thousand, one hundred fifteen".