16429689 has 16 divisors (see below), whose sum is σ = 25180800. Its totient is φ = 10574928.

The previous prime is 16429687. The next prime is 16429691. The reversal of 16429689 is 98692461.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16429687) and next prime (16429691).

It is not a de Polignac number, because 16429689 - 2¹ = 16429687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16429681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9709 + ... + 11274.

It is an arithmetic number, because the mean of its divisors is an integer number (1573800).

Almost surely, 2^16429689 is an apocalyptic number.

It is an amenable number.

16429689 is a deficient number, since it is larger than the sum of its proper divisors (8751111).

16429689 is a wasteful number, since it uses less digits than its factorization.

16429689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21021 (or 21015 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 16429689 is about 4053.3552768046. The cubic root of 16429689 is about 254.2200389335.

The spelling of 16429689 in words is "sixteen million, four hundred twenty-nine thousand, six hundred eighty-nine".