206768285512 has 8 divisors (see below), whose sum is σ = 387690535350. Its totient is φ = 103384142752.

The previous prime is 206768285489. The next prime is 206768285527. The reversal of 206768285512 is 215582867602.

It can be written as a sum of positive squares in only one way, i.e., 202764686436 + 4003599076 = 450294^2 + 63274^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 206768285512.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12923017837 + ... + 12923017852.

Almost surely, 2^206768285512 is an apocalyptic number.

It is an amenable number.

206768285512 is a deficient number, since it is larger than the sum of its proper divisors (180922249838).

206768285512 is a wasteful number, since it uses less digits than its factorization.

206768285512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25846035695 (or 25846035691 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 206768285512 in words is "two hundred six billion, seven hundred sixty-eight million, two hundred eighty-five thousand, five hundred twelve".