16549418147 has 8 divisors (see below), whose sum is σ = 16801106256. Its totient is φ = 16297867872.

The previous prime is 16549418143. The next prime is 16549418159. The reversal of 16549418147 is 74181494561.

16549418147 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 a cyclic number.

It is not a de Polignac number, because 16549418147 - 2² = 16549418143 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16549418095 and 16549418104.

It is not an unprimeable number, because it can be changed into a prime (16549418141) 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 7 ways as a sum of consecutive naturals, for example, 221873 + ... + 286925.

It is an arithmetic number, because the mean of its divisors is an integer number (2100138282).

Almost surely, 2^16549418147 is an apocalyptic number.

16549418147 is a deficient number, since it is larger than the sum of its proper divisors (251688109).

16549418147 is an equidigital number, since it uses as much as digits as its factorization.

16549418147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68917.

The product of its digits is 967680, while the sum is 50.

The spelling of 16549418147 in words is "sixteen billion, five hundred forty-nine million, four hundred eighteen thousand, one hundred forty-seven".