16845136 has 80 divisors (see below), whose sum is σ = 41390208. Its totient is φ = 6504960.

The previous prime is 16845067. The next prime is 16845161. The reversal of 16845136 is 63154861.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149016 + ... + 149128.

Almost surely, 2^16845136 is an apocalyptic number.

16845136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16845136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20695104).

16845136 is an abundant number, since it is smaller than the sum of its proper divisors (24545072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16845136 is a wasteful number, since it uses less digits than its factorization.

16845136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 133 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 16845136 is about 4104.2826413394. The cubic root of 16845136 is about 256.3449938507.

Adding to 16845136 its reverse (63154861), we get a palindrome (79999997).

The spelling of 16845136 in words is "sixteen million, eight hundred forty-five thousand, one hundred thirty-six".