16128521324 has 24 divisors (see below), whose sum is σ = 28541270688. Its totient is φ = 7974374400.

The previous prime is 16128521291. The next prime is 16128521347. The reversal of 16128521324 is 42312582161.

16128521324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66374 + ... + 191474.

It is an arithmetic number, because the mean of its divisors is an integer number (1189219612).

Almost surely, 2^16128521324 is an apocalyptic number.

It is an amenable number.

16128521324 is a deficient number, since it is larger than the sum of its proper divisors (12412749364).

16128521324 is a wasteful number, since it uses less digits than its factorization.

16128521324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125465 (or 125463 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The spelling of 16128521324 in words is "sixteen billion, one hundred twenty-eight million, five hundred twenty-one thousand, three hundred twenty-four".