16013128 has 8 divisors (see below), whose sum is σ = 30024630. Its totient is φ = 8006560.

The previous prime is 16013113. The next prime is 16013141. The reversal of 16013128 is 82131061.

16013128 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., 13264164 + 2748964 = 3642^2 + 1658^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 16013099 and 16013108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000813 + ... + 1000828.

Almost surely, 2^16013128 is an apocalyptic number.

It is an amenable number.

16013128 is a deficient number, since it is larger than the sum of its proper divisors (14011502).

16013128 is a wasteful number, since it uses less digits than its factorization.

16013128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001647 (or 2001643 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 16013128 is about 4001.6406635279. The cubic root of 16013128 is about 252.0531088200.

Adding to 16013128 its reverse (82131061), we get a palindrome (98144189).

The spelling of 16013128 in words is "sixteen million, thirteen thousand, one hundred twenty-eight".