206656103 has 4 divisors (see below), whose sum is σ = 217532760. Its totient is φ = 195779448.

The previous prime is 206656057. The next prime is 206656159. The reversal of 206656103 is 301656602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 206656103 - 2⁸ = 206655847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206656183) 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 3 ways as a sum of consecutive naturals, for example, 5438300 + ... + 5438337.

It is an arithmetic number, because the mean of its divisors is an integer number (54383190).

Almost surely, 2^206656103 is an apocalyptic number.

206656103 is a deficient number, since it is larger than the sum of its proper divisors (10876657).

206656103 is a wasteful number, since it uses less digits than its factorization.

206656103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10876656.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 206656103 is about 14375.5383551365. The cubic root of 206656103 is about 591.2204012078.

The spelling of 206656103 in words is "two hundred six million, six hundred fifty-six thousand, one hundred three".