16841 has 4 divisors (see below), whose sum is σ = 18384. Its totient is φ = 15300.

The previous prime is 16831. The next prime is 16843. The reversal of 16841 is 14861.

16841 = T₁₄ + T₁₅ + ... + T₄₆.

16841 = 34² + 35² + ... + 44².

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16841 - 2¹⁰ = 15817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755 + ... + 776.

It is an arithmetic number, because the mean of its divisors is an integer number (4596).

2¹⁶⁸⁴¹ is an apocalyptic number.

16841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16841 is a deficient number, since it is larger than the sum of its proper divisors (1543).

16841 is a wasteful number, since it uses less digits than its factorization.

16841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542.

The product of its digits is 192, while the sum is 20.

The square root of 16841 is about 129.7728785224. The cubic root of 16841 is about 25.6324011935.

Adding to 16841 its sum of digits (20), we get a palindrome (16861).

It can be divided in two parts, 16 and 841, that multiplied together give a square (13456 = 116²).

The spelling of 16841 in words is "sixteen thousand, eight hundred forty-one".