16244438433 has 8 divisors (see below), whose sum is σ = 22357936896. Its totient is φ = 10480282800.

The previous prime is 16244438407. The next prime is 16244438447. The reversal of 16244438433 is 33483444261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16244438433 - 2¹⁴ = 16244422049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16244438453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87335598 + ... + 87335783.

It is an arithmetic number, because the mean of its divisors is an integer number (2794742112).

Almost surely, 2^16244438433 is an apocalyptic number.

It is an amenable number.

16244438433 is a deficient number, since it is larger than the sum of its proper divisors (6113498463).

16244438433 is a wasteful number, since it uses less digits than its factorization.

16244438433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174671415.

The product of its digits is 663552, while the sum is 42.

The spelling of 16244438433 in words is "sixteen billion, two hundred forty-four million, four hundred thirty-eight thousand, four hundred thirty-three".