16128856 has 8 divisors (see below), whose sum is σ = 30241620. Its totient is φ = 8064424.

The previous prime is 16128841. The next prime is 16128863. The reversal of 16128856 is 65882161.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1008046 + ... + 1008061.

Almost surely, 2^16128856 is an apocalyptic number.

It is an amenable number.

16128856 is a deficient number, since it is larger than the sum of its proper divisors (14112764).

16128856 is a wasteful number, since it uses less digits than its factorization.

16128856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016113 (or 2016109 counting only the distinct ones).

The product of its digits is 23040, while the sum is 37.

The square root of 16128856 is about 4016.0747005005. The cubic root of 16128856 is about 252.6588537377.

The spelling of 16128856 in words is "sixteen million, one hundred twenty-eight thousand, eight hundred fifty-six".