206566304142 has 32 divisors (see below), whose sum is σ = 450724406400. Its totient is φ = 62591087520.

The previous prime is 206566304129. The next prime is 206566304167. The reversal of 206566304142 is 241403665602.

It is a self number, because there is not a number n which added to its sum of digits gives 206566304142.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 809484 + ... + 1033632.

It is an arithmetic number, because the mean of its divisors is an integer number (14085137700).

Almost surely, 2^206566304142 is an apocalyptic number.

206566304142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

206566304142 is an abundant number, since it is smaller than the sum of its proper divisors (244158102258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206566304142 is a wasteful number, since it uses less digits than its factorization.

206566304142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238128.

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 206566304142 its reverse (241403665602), we get a palindrome (447969969744).

The spelling of 206566304142 in words is "two hundred six billion, five hundred sixty-six million, three hundred four thousand, one hundred forty-two".