16676728 has 32 divisors (see below), whose sum is σ = 33825600. Its totient is φ = 7677952.

The previous prime is 16676719. The next prime is 16676741. The reversal of 16676728 is 82767661.

It is a super-2 number, since 2×16676728² = 556226513571968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5088 + ... + 7696.

It is an arithmetic number, because the mean of its divisors is an integer number (1057050).

Almost surely, 2^16676728 is an apocalyptic number.

It is an amenable number.

16676728 is an abundant number, since it is smaller than the sum of its proper divisors (17148872).

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

16676728 is a wasteful number, since it uses less digits than its factorization.

16676728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679 (or 2675 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 16676728 is about 4083.7149753625. The cubic root of 16676728 is about 255.4878677557.

It can be divided in two parts, 16676 and 728, that multiplied together give a triangular number (12140128 = T₄₉₂₇).

The spelling of 16676728 in words is "sixteen million, six hundred seventy-six thousand, seven hundred twenty-eight".