206826626 has 16 divisors (see below), whose sum is σ = 324385344. Its totient is φ = 98716464.

The previous prime is 206826623. The next prime is 206826667. The reversal of 206826626 is 626628602.

It is a self number, because there is not a number n which added to its sum of digits gives 206826626.

It is not an unprimeable number, because it can be changed into a prime (206826623) 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 7 ways as a sum of consecutive naturals, for example, 19760 + ... + 28356.

It is an arithmetic number, because the mean of its divisors is an integer number (20274084).

Almost surely, 2^206826626 is an apocalyptic number.

206826626 is a deficient number, since it is larger than the sum of its proper divisors (117558718).

206826626 is a wasteful number, since it uses less digits than its factorization.

206826626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9145.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 206826626 is about 14381.4681448036. The cubic root of 206826626 is about 591.3829723554.

The spelling of 206826626 in words is "two hundred six million, eight hundred twenty-six thousand, six hundred twenty-six".