16845128 has 8 divisors (see below), whose sum is σ = 31584630. Its totient is φ = 8422560.

The previous prime is 16845067. The next prime is 16845161. The reversal of 16845128 is 82154861.

It can be written as a sum of positive squares in only one way, i.e., 10484644 + 6360484 = 3238^2 + 2522^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052813 + ... + 1052828.

Almost surely, 2^16845128 is an apocalyptic number.

It is an amenable number.

16845128 is a deficient number, since it is larger than the sum of its proper divisors (14739502).

16845128 is a wasteful number, since it uses less digits than its factorization.

16845128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105647 (or 2105643 counting only the distinct ones).

The product of its digits is 15360, while the sum is 35.

The square root of 16845128 is about 4104.2816667475. The cubic root of 16845128 is about 256.3449532700.

Adding to 16845128 its reverse (82154861), we get a palindrome (98999989).

The spelling of 16845128 in words is "sixteen million, eight hundred forty-five thousand, one hundred twenty-eight".