16859136 has 120 divisors (see below), whose sum is σ = 52427200. Its totient is φ = 4816896.

The previous prime is 16859113. The next prime is 16859149. The reversal of 16859136 is 63195861.

Its product of digits (38880) is a multiple of the sum of its prime divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 16859094 and 16859103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2408445 + ... + 2408451.

Almost surely, 2^16859136 is an apocalyptic number.

16859136 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 16859136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26213600).

16859136 is an abundant number, since it is smaller than the sum of its proper divisors (35568064).

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

16859136 is an frugal number, since it uses more digits than its factorization.

16859136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52 (or 12 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 16859136 is about 4105.9878226804. The cubic root of 16859136 is about 256.4159903319.

The spelling of 16859136 in words is "sixteen million, eight hundred fifty-nine thousand, one hundred thirty-six".