206416243 has 8 divisors (see below), whose sum is σ = 227248560. Its totient is φ = 185928480.

The previous prime is 206416169. The next prime is 206416313. The reversal of 206416243 is 342614602.

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 206416243 - 2¹⁷ = 206285171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206411243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84880 + ... + 87277.

It is an arithmetic number, because the mean of its divisors is an integer number (28406070).

Almost surely, 2^206416243 is an apocalyptic number.

206416243 is a deficient number, since it is larger than the sum of its proper divisors (20832317).

206416243 is a wasteful number, since it uses less digits than its factorization.

206416243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172277.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 206416243 is about 14367.1932888787. The cubic root of 206416243 is about 590.9915749536.

The spelling of 206416243 in words is "two hundred six million, four hundred sixteen thousand, two hundred forty-three".