16682429 has 4 divisors (see below), whose sum is σ = 17407776. Its totient is φ = 15957084.

The previous prime is 16682417. The next prime is 16682431. The reversal of 16682429 is 92428661.

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 16682429 - 2⁸ = 16682173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16682392 and 16682401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16682629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362639 + ... + 362684.

It is an arithmetic number, because the mean of its divisors is an integer number (4351944).

Almost surely, 2^16682429 is an apocalyptic number.

It is an amenable number.

16682429 is a deficient number, since it is larger than the sum of its proper divisors (725347).

16682429 is an equidigital number, since it uses as much as digits as its factorization.

16682429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725346.

The product of its digits is 41472, while the sum is 38.

The square root of 16682429 is about 4084.4129321115. The cubic root of 16682429 is about 255.5169775905.

The spelling of 16682429 in words is "sixteen million, six hundred eighty-two thousand, four hundred twenty-nine".