206684488268 has 12 divisors (see below), whose sum is σ = 362472371352. Its totient is φ = 103120953600.

The previous prime is 206684488253. The next prime is 206684488273. The reversal of 206684488268 is 862884486602.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 206684488268.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55320533 + ... + 55324268.

It is an arithmetic number, because the mean of its divisors is an integer number (30206030946).

Almost surely, 2^206684488268 is an apocalyptic number.

It is an amenable number.

206684488268 is a deficient number, since it is larger than the sum of its proper divisors (155787883084).

206684488268 is a wasteful number, since it uses less digits than its factorization.

206684488268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110645272 (or 110645270 counting only the distinct ones).

The product of its (nonzero) digits is 56623104, while the sum is 62.

The spelling of 206684488268 in words is "two hundred six billion, six hundred eighty-four million, four hundred eighty-eight thousand, two hundred sixty-eight".