16428168328 has 32 divisors (see below), whose sum is σ = 36187925760. Its totient is φ = 6892937280.

The previous prime is 16428168311. The next prime is 16428168349. The reversal of 16428168328 is 82386182461.

16428168328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16428168328² (a number of 21 digits) contains 22 as substring.

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, 7179000 + ... + 7181287.

It is an arithmetic number, because the mean of its divisors is an integer number (1130872680).

Almost surely, 2^16428168328 is an apocalyptic number.

It is an amenable number.

16428168328 is an abundant number, since it is smaller than the sum of its proper divisors (19759757432).

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

16428168328 is a wasteful number, since it uses less digits than its factorization.

16428168328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14360317 (or 14360313 counting only the distinct ones).

The product of its digits is 884736, while the sum is 49.

The spelling of 16428168328 in words is "sixteen billion, four hundred twenty-eight million, one hundred sixty-eight thousand, three hundred twenty-eight".