16128452 has 6 divisors (see below), whose sum is σ = 28224798. Its totient is φ = 8064224.

The previous prime is 16128449. The next prime is 16128487. The reversal of 16128452 is 25482161.

16128452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 16128256 + 196 = 4016^2 + 14^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2016053 + ... + 2016060.

It is an arithmetic number, because the mean of its divisors is an integer number (4704133).

Almost surely, 2^16128452 is an apocalyptic number.

It is an amenable number.

16128452 is a deficient number, since it is larger than the sum of its proper divisors (12096346).

16128452 is a wasteful number, since it uses less digits than its factorization.

16128452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032117 (or 4032115 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 16128452 is about 4016.0244023163. The cubic root of 16128452 is about 252.6567441641.

The spelling of 16128452 in words is "sixteen million, one hundred twenty-eight thousand, four hundred fifty-two".