16002805444 has 24 divisors (see below), whose sum is σ = 28201566848. Its totient is φ = 7945257600.

The previous prime is 16002805439. The next prime is 16002805457. The reversal of 16002805444 is 44450820061.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2519737 + ... + 2526079.

Almost surely, 2^16002805444 is an apocalyptic number.

It is an amenable number.

16002805444 is a deficient number, since it is larger than the sum of its proper divisors (12198761404).

16002805444 is a wasteful number, since it uses less digits than its factorization.

16002805444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10675 (or 10673 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The spelling of 16002805444 in words is "sixteen billion, two million, eight hundred five thousand, four hundred forty-four".