206772106 has 8 divisors (see below), whose sum is σ = 310220640. Its totient is φ = 103365228.

The previous prime is 206772101. The next prime is 206772107. The reversal of 206772106 is 601277602.

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

It is not an unprimeable number, because it can be changed into a prime (206772101) 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 3 ways as a sum of consecutive naturals, for example, 10005 + ... + 22663.

It is an arithmetic number, because the mean of its divisors is an integer number (38777580).

Almost surely, 2^206772106 is an apocalyptic number.

206772106 is a deficient number, since it is larger than the sum of its proper divisors (103448534).

206772106 is a wasteful number, since it uses less digits than its factorization.

206772106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20828.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 206772106 is about 14379.5725249397. The cubic root of 206772106 is about 591.3310044604.

The spelling of 206772106 in words is "two hundred six million, seven hundred seventy-two thousand, one hundred six".