16445056243 has 8 divisors (see below), whose sum is σ = 20502927360. Its totient is φ = 12814329480.

The previous prime is 16445056241. The next prime is 16445056247. The reversal of 16445056243 is 34265054461.

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 16445056243 - 2¹ = 16445056241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16445056196 and 16445056205.

It is not an unprimeable number, because it can be changed into a prime (16445056241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106786003 + ... + 106786156.

It is an arithmetic number, because the mean of its divisors is an integer number (2562865920).

Almost surely, 2^16445056243 is an apocalyptic number.

16445056243 is a deficient number, since it is larger than the sum of its proper divisors (4057871117).

16445056243 is a wasteful number, since it uses less digits than its factorization.

16445056243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213572177.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 16445056243 in words is "sixteen billion, four hundred forty-five million, fifty-six thousand, two hundred forty-three".