16026397728 has 144 divisors (see below), whose sum is σ = 46357990560. Its totient is φ = 4844252160.

The previous prime is 16026397727. The next prime is 16026397733. The reversal of 16026397728 is 82779362061.

It is not an unprimeable number, because it can be changed into a prime (16026397727) 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 23 ways as a sum of consecutive naturals, for example, 5307003 + ... + 5310021.

It is an arithmetic number, because the mean of its divisors is an integer number (321930490).

Almost surely, 2^16026397728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16026397728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23178995280).

16026397728 is an abundant number, since it is smaller than the sum of its proper divisors (30331592832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16026397728 is a wasteful number, since it uses less digits than its factorization.

16026397728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511 (or 3492 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 16026397728 in words is "sixteen billion, twenty-six million, three hundred ninety-seven thousand, seven hundred twenty-eight".