16655205205 has 8 divisors (see below), whose sum is σ = 20267743104. Its totient is φ = 13136499600.

The previous prime is 16655205191. The next prime is 16655205221. The reversal of 16655205205 is 50250255661.

16655205205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16655205205 - 2¹⁷ = 16655074133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23457681 + ... + 23458390.

It is an arithmetic number, because the mean of its divisors is an integer number (2533467888).

Almost surely, 2^16655205205 is an apocalyptic number.

It is an amenable number.

16655205205 is a deficient number, since it is larger than the sum of its proper divisors (3612537899).

16655205205 is an equidigital number, since it uses as much as digits as its factorization.

16655205205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46916147.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 16655205205 in words is "sixteen billion, six hundred fifty-five million, two hundred five thousand, two hundred five".