206441968 has 40 divisors (see below), whose sum is σ = 411687936. Its totient is φ = 100228800.

The previous prime is 206441959. The next prime is 206441971. The reversal of 206441968 is 869144602.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 206441968.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 130623 + ... + 132193.

Almost surely, 2^206441968 is an apocalyptic number.

It is an amenable number.

206441968 is a deficient number, since it is larger than the sum of its proper divisors (205245968).

206441968 is a wasteful number, since it uses less digits than its factorization.

206441968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813 (or 1807 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 206441968 is about 14368.0885297941. The cubic root of 206441968 is about 591.0161250674.

The spelling of 206441968 in words is "two hundred six million, four hundred forty-one thousand, nine hundred sixty-eight".