16632789 has 8 divisors (see below), whose sum is σ = 22197312. Its totient is φ = 11078400.

The previous prime is 16632779. The next prime is 16632793. The reversal of 16632789 is 98723661.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16632789 - 2⁴ = 16632773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16632789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16632719) 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 7 ways as a sum of consecutive naturals, for example, 3072 + ... + 6534.

It is an arithmetic number, because the mean of its divisors is an integer number (2774664).

Almost surely, 2^16632789 is an apocalyptic number.

It is an amenable number.

16632789 is a deficient number, since it is larger than the sum of its proper divisors (5564523).

16632789 is a wasteful number, since it uses less digits than its factorization.

16632789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067.

The product of its digits is 108864, while the sum is 42.

The square root of 16632789 is about 4078.3316441898. The cubic root of 16632789 is about 255.2632882298.

The spelling of 16632789 in words is "sixteen million, six hundred thirty-two thousand, seven hundred eighty-nine".