206226664067 has 16 divisors (see below), whose sum is σ = 208121098752. Its totient is φ = 204340631040.

The previous prime is 206226664057. The next prime is 206226664073. The reversal of 206226664067 is 760466622602.

It is a cyclic number.

It is not a de Polignac number, because 206226664067 - 2¹² = 206226659971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206226664027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140194142 + ... + 140195612.

It is an arithmetic number, because the mean of its divisors is an integer number (13007568672).

Almost surely, 2^206226664067 is an apocalyptic number.

206226664067 is a deficient number, since it is larger than the sum of its proper divisors (1894434685).

206226664067 is a wasteful number, since it uses less digits than its factorization.

206226664067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518.

The product of its (nonzero) digits is 1741824, while the sum is 47.

The spelling of 206226664067 in words is "two hundred six billion, two hundred twenty-six million, six hundred sixty-four thousand, sixty-seven".