16128916 has 12 divisors (see below), whose sum is σ = 28305088. Its totient is φ = 8041752.

The previous prime is 16128887. The next prime is 16128941. The reversal of 16128916 is 61982161.

It is a congruent number.

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, 4026 + ... + 6961.

Almost surely, 2^16128916 is an apocalyptic number.

It is an amenable number.

16128916 is a deficient number, since it is larger than the sum of its proper divisors (12176172).

16128916 is a wasteful number, since it uses less digits than its factorization.

16128916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11358 (or 11356 counting only the distinct ones).

The product of its digits is 5184, while the sum is 34.

The square root of 16128916 is about 4016.0821704741. The cubic root of 16128916 is about 252.6591670378.

The spelling of 16128916 in words is "sixteen million, one hundred twenty-eight thousand, nine hundred sixteen".