16429 has 4 divisors (see below), whose sum is σ = 18784. Its totient is φ = 14076.

The previous prime is 16427. The next prime is 16433. The reversal of 16429 is 92461.

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 16429 - 2¹ = 16427 is a prime.

It is a Duffinian number.

16429 is a lucky number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1167 + ... + 1180.

It is an arithmetic number, because the mean of its divisors is an integer number (4696).

2¹⁶⁴²⁹ is an apocalyptic number.

It is an amenable number.

16429 is a deficient number, since it is larger than the sum of its proper divisors (2355).

16429 is an equidigital number, since it uses as much as digits as its factorization.

16429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354.

The product of its digits is 432, while the sum is 22.

The square root of 16429 is about 128.1756607161. The cubic root of 16429 is about 25.4216485203.

Adding to 16429 its product of digits (432), we get a palindrome (16861).

The spelling of 16429 in words is "sixteen thousand, four hundred twenty-nine".