206036816 has 10 divisors (see below), whose sum is σ = 399196362. Its totient is φ = 103018400.

The previous prime is 206036813. The next prime is 206036837. The reversal of 206036816 is 618630602.

It can be written as a sum of positive squares in only one way, i.e., 130416400 + 75620416 = 11420^2 + 8696^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206036813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6438635 + ... + 6438666.

Almost surely, 2^206036816 is an apocalyptic number.

It is an amenable number.

206036816 is a deficient number, since it is larger than the sum of its proper divisors (193159546).

206036816 is a wasteful number, since it uses less digits than its factorization.

206036816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12877309 (or 12877303 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 206036816 is about 14353.9825832415. The cubic root of 206036816 is about 590.6292396176.

The spelling of 206036816 in words is "two hundred six million, thirty-six thousand, eight hundred sixteen".