16677128 has 16 divisors (see below), whose sum is σ = 33675180. Its totient is φ = 7697088.

The previous prime is 16677103. The next prime is 16677131. The reversal of 16677128 is 82177661.

It can be written as a sum of positive squares in 2 ways, for example, as 16467364 + 209764 = 4058^2 + 458^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16677091 and 16677100.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 80075 + ... + 80282.

Almost surely, 2^16677128 is an apocalyptic number.

It is an amenable number.

16677128 is an abundant number, since it is smaller than the sum of its proper divisors (16998052).

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

16677128 is a wasteful number, since it uses less digits than its factorization.

16677128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160376 (or 160372 counting only the distinct ones).

The product of its digits is 28224, while the sum is 38.

The square root of 16677128 is about 4083.7639500833. The cubic root of 16677128 is about 255.4899104092.

The spelling of 16677128 in words is "sixteen million, six hundred seventy-seven thousand, one hundred twenty-eight".