206606241003 has 4 divisors (see below), whose sum is σ = 275474988008. Its totient is φ = 137737494000.

The previous prime is 206606240921. The next prime is 206606241007. The reversal of 206606241003 is 300142606602.

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

It is not a de Polignac number, because 206606241003 - 2²⁰ = 206605192427 is a prime.

It is a super-2 number, since 2×206606241003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206606241007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34434373498 + ... + 34434373503.

It is an arithmetic number, because the mean of its divisors is an integer number (68868747002).

Almost surely, 2^206606241003 is an apocalyptic number.

206606241003 is a deficient number, since it is larger than the sum of its proper divisors (68868747005).

206606241003 is an equidigital number, since it uses as much as digits as its factorization.

206606241003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68868747004.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 206606241003 its reverse (300142606602), we get a palindrome (506748847605).

The spelling of 206606241003 in words is "two hundred six billion, six hundred six million, two hundred forty-one thousand, three".