16444743107 has 4 divisors (see below), whose sum is σ = 17709723360. Its totient is φ = 15179762856.

The previous prime is 16444743053. The next prime is 16444743121. The reversal of 16444743107 is 70134744461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16444743107 - 2²⁶ = 16377634243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16444743157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632490107 + ... + 632490132.

It is an arithmetic number, because the mean of its divisors is an integer number (4427430840).

Almost surely, 2^16444743107 is an apocalyptic number.

16444743107 is a deficient number, since it is larger than the sum of its proper divisors (1264980253).

16444743107 is a wasteful number, since it uses less digits than its factorization.

16444743107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264980252.

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 16444743107 in words is "sixteen billion, four hundred forty-four million, seven hundred forty-three thousand, one hundred seven".