206016214655453 has 4 divisors (see below), whose sum is σ = 206233760817600. Its totient is φ = 205798668493308.

The previous prime is 206016214655437. The next prime is 206016214655483. The reversal of 206016214655453 is 354556412610602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 206016214655453 - 2⁴ = 206016214655437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206016214655483) 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 3 ways as a sum of consecutive naturals, for example, 108773079653 + ... + 108773081546.

It is an arithmetic number, because the mean of its divisors is an integer number (51558440204400).

Almost surely, 2^{206016214655453} is an apocalyptic number.

It is an amenable number.

206016214655453 is a deficient number, since it is larger than the sum of its proper divisors (217546162147).

206016214655453 is an equidigital number, since it uses as much as digits as its factorization.

206016214655453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217546162146.

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 206016214655453 in words is "two hundred six trillion, sixteen billion, two hundred fourteen million, six hundred fifty-five thousand, four hundred fifty-three".