16481028 has 12 divisors (see below), whose sum is σ = 38455760. Its totient is φ = 5493672.

The previous prime is 16480993. The next prime is 16481029. The reversal of 16481028 is 82018461.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 16480986 and 16481004.

It is not an unprimeable number, because it can be changed into a prime (16481029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686698 + ... + 686721.

Almost surely, 2^16481028 is an apocalyptic number.

It is an amenable number.

16481028 is an abundant number, since it is smaller than the sum of its proper divisors (21974732).

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

16481028 is a wasteful number, since it uses less digits than its factorization.

16481028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373426 (or 1373424 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 16481028 is about 4059.6832388747. The cubic root of 16481028 is about 254.4845566594.

Adding to 16481028 its reverse (82018461), we get a palindrome (98499489).

The spelling of 16481028 in words is "sixteen million, four hundred eighty-one thousand, twenty-eight".