16000128 has 192 divisors, whose sum is σ = 52509600. Its totient is φ = 4644864.

The previous prime is 16000121. The next prime is 16000129. The reversal of 16000128 is 82100061.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 16000128.

It is not an unprimeable number, because it can be changed into a prime (16000121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 372075 + ... + 372117.

Almost surely, 2^16000128 is an apocalyptic number.

16000128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16000128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26254800).

16000128 is an abundant number, since it is smaller than the sum of its proper divisors (36509472).

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

16000128 is a wasteful number, since it uses less digits than its factorization.

16000128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 16000128 is about 4000.0159999680. The cubic root of 16000128 is about 251.9848819351.

Adding to 16000128 its reverse (82100061), we get a palindrome (98100189).

The spelling of 16000128 in words is "sixteen million, one hundred twenty-eight", and thus it is an aban number.