16485456209 has 8 divisors (see below), whose sum is σ = 16694612352. Its totient is φ = 16277410240.

The previous prime is 16485456193. The next prime is 16485456217. The reversal of 16485456209 is 90265458461.

16485456209 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 16485456209 - 2⁴ = 16485456193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16485456109) 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, 247637 + ... + 307074.

It is an arithmetic number, because the mean of its divisors is an integer number (2086826544).

Almost surely, 2^16485456209 is an apocalyptic number.

It is an amenable number.

16485456209 is a deficient number, since it is larger than the sum of its proper divisors (209156143).

16485456209 is a wasteful number, since it uses less digits than its factorization.

16485456209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555087.

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 16485456209 in words is "sixteen billion, four hundred eighty-five million, four hundred fifty-six thousand, two hundred nine".