16487128 has 48 divisors (see below), whose sum is σ = 36340920. Its totient is φ = 6991488.

The previous prime is 16487111. The next prime is 16487129. The reversal of 16487128 is 82178461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16487129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53551 + ... + 53857.

Almost surely, 2^16487128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16487128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18170460).

16487128 is an abundant number, since it is smaller than the sum of its proper divisors (19853792).

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

16487128 is a wasteful number, since it uses less digits than its factorization.

16487128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 453 counting only the distinct ones).

The product of its digits is 21504, while the sum is 37.

The square root of 16487128 is about 4060.4344595129. The cubic root of 16487128 is about 254.5159496105.

The spelling of 16487128 in words is "sixteen million, four hundred eighty-seven thousand, one hundred twenty-eight".