16495 has 4 divisors (see below), whose sum is σ = 19800. Its totient is φ = 13192.
The previous prime is 16493. The next prime is 16519. The reversal of 16495 is 59461.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59461 = 97 ⋅613.
It is a cyclic number.
It is not a de Polignac number, because 16495 - 21 = 16493 is a prime.
It is a plaindrome in base 9.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16493) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645 + ... + 1654.
It is an arithmetic number, because the mean of its divisors is an integer number (4950).
216495 is an apocalyptic number.
16495 is a deficient number, since it is larger than the sum of its proper divisors (3305).
16495 is an equidigital number, since it uses as much as digits as its factorization.
16495 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3304.
The product of its digits is 1080, while the sum is 25.
The square root of 16495 is about 128.4328618384. The cubic root of 16495 is about 25.4556450514.
The spelling of 16495 in words is "sixteen thousand, four hundred ninety-five".
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