16198128 has 60 divisors (see below), whose sum is σ = 45642168. Its totient is φ = 5362560.

The previous prime is 16198099. The next prime is 16198159. The reversal of 16198128 is 82189161.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 16198092 and 16198101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28083 + ... + 28653.

Almost surely, 2^16198128 is an apocalyptic number.

16198128 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 16198128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22821084).

16198128 is an abundant number, since it is smaller than the sum of its proper divisors (29444040).

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

16198128 is a wasteful number, since it uses less digits than its factorization.

16198128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782 (or 773 counting only the distinct ones).

The product of its digits is 6912, while the sum is 36.

The square root of 16198128 is about 4024.6898017114. The cubic root of 16198128 is about 253.0200528821.

It can be divided in two parts, 161 and 98128, that added together give a palindrome (98289).

The spelling of 16198128 in words is "sixteen million, one hundred ninety-eight thousand, one hundred twenty-eight".