16328012444 has 12 divisors (see below), whose sum is σ = 30077917800. Its totient is φ = 7734321648.

The previous prime is 16328012443. The next prime is 16328012453. The reversal of 16328012444 is 44421082361.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16328012443) 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 3 ways as a sum of consecutive naturals, for example, 107421059 + ... + 107421210.

It is an arithmetic number, because the mean of its divisors is an integer number (2506493150).

Almost surely, 2^16328012444 is an apocalyptic number.

It is an amenable number.

16328012444 is a deficient number, since it is larger than the sum of its proper divisors (13749905356).

16328012444 is a wasteful number, since it uses less digits than its factorization.

16328012444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214842292 (or 214842290 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 16328012444 in words is "sixteen billion, three hundred twenty-eight million, twelve thousand, four hundred forty-four".