16423629 has 4 divisors (see below), whose sum is σ = 21898176. Its totient is φ = 10949084.

The previous prime is 16423621. The next prime is 16423637. The reversal of 16423629 is 92632461.

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 an interprime number because it is at equal distance from previous prime (16423621) and next prime (16423637).

It is a cyclic number.

It is not a de Polignac number, because 16423629 - 2³ = 16423621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16423629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16423621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2737269 + ... + 2737274.

It is an arithmetic number, because the mean of its divisors is an integer number (5474544).

Almost surely, 2^16423629 is an apocalyptic number.

It is an amenable number.

16423629 is a deficient number, since it is larger than the sum of its proper divisors (5474547).

16423629 is an equidigital number, since it uses as much as digits as its factorization.

16423629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5474546.

The product of its digits is 15552, while the sum is 33.

The square root of 16423629 is about 4052.6076790136. The cubic root of 16423629 is about 254.1887792043.

The spelling of 16423629 in words is "sixteen million, four hundred twenty-three thousand, six hundred twenty-nine".