206741066 has 32 divisors (see below), whose sum is σ = 375072768. Its totient is φ = 83548080.

The previous prime is 206741027. The next prime is 206741069. The reversal of 206741066 is 660147602.

It is not an unprimeable number, because it can be changed into a prime (206741069) 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, 18341 + ... + 27383.

It is an arithmetic number, because the mean of its divisors is an integer number (11721024).

Almost surely, 2^206741066 is an apocalyptic number.

206741066 is a deficient number, since it is larger than the sum of its proper divisors (168331702).

206741066 is a wasteful number, since it uses less digits than its factorization.

206741066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9146.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 206741066 is about 14378.4931755730. The cubic root of 206741066 is about 591.3014133754.

Adding to 206741066 its reverse (660147602), we get a palindrome (866888668).

The spelling of 206741066 in words is "two hundred six million, seven hundred forty-one thousand, sixty-six".