16172 has 12 divisors (see below), whose sum is σ = 30576.
Its totient is φ = 7440.
The previous prime is 16141. The next prime is 16183. The reversal of 16172 is 27161.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 16172.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104 + ... + 207.
It is an arithmetic number, because the mean of its divisors is an integer number (2548).
216172 is an apocalyptic number.
16172 is the 104-th pentagonal number.
It is an amenable number.
16172 is a deficient number, since it is larger than the sum of its proper divisors (14404).
16172 is a wasteful number, since it uses less digits than its factorization.
16172 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 328 (or 326 counting only the distinct ones).
The product of its digits is 84, while the sum is 17.
The square root of 16172 is about 127.1691786558.
The cubic root of 16172 is about 25.2883937037.
The spelling of 16172 in words is "sixteen thousand, one hundred seventy-two".