16555106349 has 20 divisors (see below), whose sum is σ = 24829025760. Its totient is φ = 10992753000.

The previous prime is 16555106279. The next prime is 16555106363. The reversal of 16555106349 is 94360155561.

16555106349 is a `hidden beast` number, since 1 + 6 + 5 + 5 + 5 + 1 + 0 + 634 + 9 = 666.

16555106349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16555106349 - 2⁹ = 16555105837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16555101349) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 386809 + ... + 427470.

It is an arithmetic number, because the mean of its divisors is an integer number (1241451288).

Almost surely, 2^16555106349 is an apocalyptic number.

It is an amenable number.

16555106349 is a deficient number, since it is larger than the sum of its proper divisors (8273919411).

16555106349 is an equidigital number, since it uses as much as digits as its factorization.

16555106349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814542 (or 814533 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The spelling of 16555106349 in words is "sixteen billion, five hundred fifty-five million, one hundred six thousand, three hundred forty-nine".