206751066 has 8 divisors (see below), whose sum is σ = 413502144. Its totient is φ = 68917020.

The previous prime is 206751043. The next prime is 206751109. The reversal of 206751066 is 660157602.

It is a sphenic number, since it is the product of 3 distinct primes.

206751066 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17229250 + ... + 17229261.

It is an arithmetic number, because the mean of its divisors is an integer number (51687768).

Almost surely, 2^206751066 is an apocalyptic number.

206751066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206751066 is a wasteful number, since it uses less digits than its factorization.

206751066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34458516.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 206751066 is about 14378.8409129526. The cubic root of 206751066 is about 591.3109469092.

The spelling of 206751066 in words is "two hundred six million, seven hundred fifty-one thousand, sixty-six".