16535428 has 24 divisors (see below), whose sum is σ = 35615552. Its totient is φ = 6541344.

The previous prime is 16535419. The next prime is 16535429. The reversal of 16535428 is 82453561.

It is a junction number, because it is equal to n+sod(n) for n = 16535393 and 16535402.

It is not an unprimeable number, because it can be changed into a prime (16535429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22350 + ... + 23077.

Almost surely, 2^16535428 is an apocalyptic number.

It is an amenable number.

16535428 is an abundant number, since it is smaller than the sum of its proper divisors (19080124).

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

16535428 is a wasteful number, since it uses less digits than its factorization.

16535428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45451 (or 45449 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 16535428 is about 4066.3777492997. The cubic root of 16535428 is about 254.7642470579.

Adding to 16535428 its reverse (82453561), we get a palindrome (98988989).

The spelling of 16535428 in words is "sixteen million, five hundred thirty-five thousand, four hundred twenty-eight".