16444417351347 has 24 divisors (see below), whose sum is σ = 23815612037360. Its totient is φ = 10934090208000.

The previous prime is 16444417351343. The next prime is 16444417351357. The reversal of 16444417351347 is 74315371444461.

16444417351347 is a `hidden beast` number, since 1 + 6 + 4 + 44 + 41 + 7 + 3 + 513 + 47 = 666.

It is not a de Polignac number, because 16444417351347 - 2² = 16444417351343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16444417351293 and 16444417351302.

It is not an unprimeable number, because it can be changed into a prime (16444417351343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8370279 + ... + 10146447.

Almost surely, 2^{16444417351347} is an apocalyptic number.

16444417351347 is a deficient number, since it is larger than the sum of its proper divisors (7371194686013).

16444417351347 is a wasteful number, since it uses less digits than its factorization.

16444417351347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778883 (or 1778880 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 54.

The spelling of 16444417351347 in words is "sixteen trillion, four hundred forty-four billion, four hundred seventeen million, three hundred fifty-one thousand, three hundred forty-seven".