206066039 has 16 divisors (see below), whose sum is σ = 227404800. Its totient is φ = 185857056.

The previous prime is 206066033. The next prime is 206066101. The reversal of 206066039 is 930660602.

It is a cyclic number.

It is not a de Polignac number, because 206066039 - 2¹⁶ = 206000503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206065996 and 206066014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206066033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103457 + ... + 105429.

It is an arithmetic number, because the mean of its divisors is an integer number (14212800).

Almost surely, 2^206066039 is an apocalyptic number.

206066039 is a deficient number, since it is larger than the sum of its proper divisors (21338761).

206066039 is a wasteful number, since it uses less digits than its factorization.

206066039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 206066039 is about 14355.0004876350. Note that the first 3 decimals coincide. The cubic root of 206066039 is about 590.6571620421.

The spelling of 206066039 in words is "two hundred six million, sixty-six thousand, thirty-nine".