Search a number
-
+
16912 = 247151

16912 has 20 divisors (see below), whose sum is σ = 37696. Its totient is φ = 7200.

The previous prime is 16903. The next prime is 16921. The reversal of 16912 is 21961.

It is an interprime number because it is at equal distance from previous prime (16903) and next prime (16921).

It is an Ulam number.

It is a nialpdrome in base 12 and base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 16912.

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 3 ways as a sum of consecutive naturals, for example, 37 + ... + 187.

216912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18848).

16912 is an abundant number, since it is smaller than the sum of its proper divisors (20784).

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

16912 is a wasteful number, since it uses less digits than its factorization.

16912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 160 counting only the distinct ones).

The product of its digits is 108, while the sum is 19.

The square root of 16912 is about 130.0461456561. The cubic root of 16912 is about 25.6683719187.

Adding to 16912 its product of digits (108), we get a triangular number (17020 = T184).

It can be divided in two parts, 169 and 12, that added together give a palindrome (181).

The spelling of 16912 in words is "sixteen thousand, nine hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 151 302 604 1057 1208 2114 2416 4228 8456 16912