16128532 has 12 divisors (see below), whose sum is σ = 32257120. Its totient is φ = 6912216.

The previous prime is 16128527. The next prime is 16128533. The reversal of 16128532 is 23582161.

16128532 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 576019 = 16128532 / (1 + 6 + 1 + 2 + 8 + 5 + 3 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 16128532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16128533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287982 + ... + 288037.

Almost surely, 2^16128532 is an apocalyptic number.

It is an amenable number.

16128532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16128532 is a wasteful number, since it uses less digits than its factorization.

16128532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576030 (or 576028 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 16128532 is about 4016.0343624028. The cubic root of 16128532 is about 252.6571619042.

The spelling of 16128532 in words is "sixteen million, one hundred twenty-eight thousand, five hundred thirty-two".