16555341220105 has 8 divisors (see below), whose sum is σ = 19870422099264. Its totient is φ = 13241597886000.

The previous prime is 16555341220079. The next prime is 16555341220109. The reversal of 16555341220105 is 50102214355561.

16555341220105 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 16555341220105 - 2¹⁵ = 16555341187337 is a prime.

It is a super-2 number, since 2×16555341220105² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16555341220109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334359031 + ... + 334408540.

It is an arithmetic number, because the mean of its divisors is an integer number (2483802762408).

Almost surely, 2^{16555341220105} is an apocalyptic number.

It is an amenable number.

16555341220105 is a deficient number, since it is larger than the sum of its proper divisors (3315080879159).

16555341220105 is an equidigital number, since it uses as much as digits as its factorization.

16555341220105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668772527.

The product of its (nonzero) digits is 180000, while the sum is 40.

Adding to 16555341220105 its reverse (50102214355561), we get a palindrome (66657555575666).

The spelling of 16555341220105 in words is "sixteen trillion, five hundred fifty-five billion, three hundred forty-one million, two hundred twenty thousand, one hundred five".