206833700105 has 8 divisors (see below), whose sum is σ = 248208863112. Its totient is φ = 165461344768.

The previous prime is 206833700011. The next prime is 206833700141. The reversal of 206833700105 is 501007338602.

It can be written as a sum of positive squares in 4 ways, for example, as 121343542336 + 85490157769 = 348344^2 + 292387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206833700105 - 2¹² = 206833696009 is a prime.

It is a super-2 number, since 2×206833700105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 536294 + ... + 837423.

It is an arithmetic number, because the mean of its divisors is an integer number (31026107889).

Almost surely, 2^206833700105 is an apocalyptic number.

It is an amenable number.

206833700105 is a deficient number, since it is larger than the sum of its proper divisors (41375163007).

206833700105 is a wasteful number, since it uses less digits than its factorization.

206833700105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403835.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 206833700105 in words is "two hundred six billion, eight hundred thirty-three million, seven hundred thousand, one hundred five".