206016047 has 4 divisors (see below), whose sum is σ = 218134656. Its totient is φ = 193897440.

The previous prime is 206016011. The next prime is 206016067. The reversal of 206016047 is 740610602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 206016047 - 2⁶ = 206015983 is a prime.

It is a super-2 number, since 2×206016047² = 84885223243012418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206016007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6059279 + ... + 6059312.

It is an arithmetic number, because the mean of its divisors is an integer number (54533664).

Almost surely, 2^206016047 is an apocalyptic number.

206016047 is a deficient number, since it is larger than the sum of its proper divisors (12118609).

206016047 is a wasteful number, since it uses less digits than its factorization.

206016047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12118608.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 206016047 is about 14353.2591072550. The cubic root of 206016047 is about 590.6093933411.

Adding to 206016047 its reverse (740610602), we get a palindrome (946626649).

The spelling of 206016047 in words is "two hundred six million, sixteen thousand, forty-seven".