206553164168293 has 2 divisors, whose sum is σ = 206553164168294. Its totient is φ = 206553164168292.

The previous prime is 206553164168287. The next prime is 206553164168339. The reversal of 206553164168293 is 392861461355602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189133951749604 + 17419212418689 = 13752598^2 + 4173633^2 .

It is a cyclic number.

It is not a de Polignac number, because 206553164168293 - 2¹⁷ = 206553164037221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206553164118293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103276582084146 + 103276582084147.

It is an arithmetic number, because the mean of its divisors is an integer number (103276582084147).

Almost surely, 2^{206553164168293} is an apocalyptic number.

It is an amenable number.

206553164168293 is a deficient number, since it is larger than the sum of its proper divisors (1).

206553164168293 is an equidigital number, since it uses as much as digits as its factorization.

206553164168293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55987200, while the sum is 61.

The spelling of 206553164168293 in words is "two hundred six trillion, five hundred fifty-three billion, one hundred sixty-four million, one hundred sixty-eight thousand, two hundred ninety-three".