206827155359 has 16 divisors (see below), whose sum is σ = 226694759424. Its totient is φ = 187137475200.

The previous prime is 206827155349. The next prime is 206827155373. The reversal of 206827155359 is 953551728602.

It is a cyclic number.

It is not a de Polignac number, because 206827155359 - 2¹⁶ = 206827089823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 206827155359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206827155349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15110999 + ... + 15124679.

It is an arithmetic number, because the mean of its divisors is an integer number (14168422464).

Almost surely, 2^206827155359 is an apocalyptic number.

206827155359 is a deficient number, since it is larger than the sum of its proper divisors (19867604065).

206827155359 is a wasteful number, since it uses less digits than its factorization.

206827155359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20078.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 206827155359 in words is "two hundred six billion, eight hundred twenty-seven million, one hundred fifty-five thousand, three hundred fifty-nine".