16242128 has 30 divisors (see below), whose sum is σ = 36608706. Its totient is φ = 6960576.

The previous prime is 16242103. The next prime is 16242133. The reversal of 16242128 is 82124261.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9314704 + 6927424 = 3052^2 + 2632^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16242097 and 16242106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9575 + ... + 11142.

Almost surely, 2^16242128 is an apocalyptic number.

It is an amenable number.

16242128 is an abundant number, since it is smaller than the sum of its proper divisors (20366578).

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

16242128 is a wasteful number, since it uses less digits than its factorization.

16242128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20739 (or 20726 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 16242128 is about 4030.1523544402. The cubic root of 16242128 is about 253.2489438830.

Adding to 16242128 its reverse (82124261), we get a palindrome (98366389).

The spelling of 16242128 in words is "sixteen million, two hundred forty-two thousand, one hundred twenty-eight".