16429664 has 12 divisors (see below), whose sum is σ = 32345964. Its totient is φ = 8214816.

The previous prime is 16429663. The next prime is 16429681. The reversal of 16429664 is 46692461.

It is a happy number.

16429664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16429663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256682 + ... + 256745.

It is an arithmetic number, because the mean of its divisors is an integer number (2695497).

Almost surely, 2^16429664 is an apocalyptic number.

It is an amenable number.

16429664 is a deficient number, since it is larger than the sum of its proper divisors (15916300).

16429664 is an equidigital number, since it uses as much as digits as its factorization.

16429664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513437 (or 513429 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 16429664 is about 4053.3521929386. The cubic root of 16429664 is about 254.2199099900.

The spelling of 16429664 in words is "sixteen million, four hundred twenty-nine thousand, six hundred sixty-four".