208643068 has 12 divisors (see below), whose sum is σ = 365920632. Its totient is φ = 104094320.

The previous prime is 208643063. The next prime is 208643069. The reversal of 208643068 is 860346802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208643063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54730 + ... + 58417.

It is an arithmetic number, because the mean of its divisors is an integer number (30493386).

Almost surely, 2^208643068 is an apocalyptic number.

It is an amenable number.

208643068 is a deficient number, since it is larger than the sum of its proper divisors (157277564).

208643068 is a wasteful number, since it uses less digits than its factorization.

208643068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113612 (or 113610 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 208643068 is about 14444.4822683265. The cubic root of 208643068 is about 593.1091901191.

It can be divided in two parts, 20864 and 3068, that added together give a palindrome (23932).

The spelling of 208643068 in words is "two hundred eight million, six hundred forty-three thousand, sixty-eight".