16291429 has 16 divisors (see below), whose sum is σ = 21196800. Its totient is φ = 12141360.

The previous prime is 16291421. The next prime is 16291439. The reversal of 16291429 is 92419261.

It is not a de Polignac number, because 16291429 - 2³ = 16291421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16291394 and 16291403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16291421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2829 + ... + 6370.

It is an arithmetic number, because the mean of its divisors is an integer number (1324800).

Almost surely, 2^16291429 is an apocalyptic number.

It is an amenable number.

16291429 is a deficient number, since it is larger than the sum of its proper divisors (4905371).

16291429 is a wasteful number, since it uses less digits than its factorization.

16291429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9240.

The product of its digits is 7776, while the sum is 34.

The square root of 16291429 is about 4036.2642381291. The cubic root of 16291429 is about 253.5049204968.

The spelling of 16291429 in words is "sixteen million, two hundred ninety-one thousand, four hundred twenty-nine".