206033836611261 has 16 divisors (see below), whose sum is σ = 274757153819328. Its totient is φ = 137333207088000.

The previous prime is 206033836611247. The next prime is 206033836611271. The reversal of 206033836611261 is 162116638330602.

It is not a de Polignac number, because 206033836611261 - 2⁷ = 206033836611133 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 206033836611261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206033836611271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471560475 + ... + 471997191.

It is an arithmetic number, because the mean of its divisors is an integer number (17172322113708).

Almost surely, 2^{206033836611261} is an apocalyptic number.

It is an amenable number.

206033836611261 is a deficient number, since it is larger than the sum of its proper divisors (68723317208067).

206033836611261 is a wasteful number, since it uses less digits than its factorization.

206033836611261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462332.

The product of its (nonzero) digits is 1119744, while the sum is 48.

The spelling of 206033836611261 in words is "two hundred six trillion, thirty-three billion, eight hundred thirty-six million, six hundred eleven thousand, two hundred sixty-one".