16669436 has 24 divisors (see below), whose sum is σ = 33586560. Its totient is φ = 7090992.

The previous prime is 16669427. The next prime is 16669453. The reversal of 16669436 is 63496661.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16669393 and 16669402.

It is a congruent number.

It is an unprimeable number.

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, 1751 + ... + 6033.

It is an arithmetic number, because the mean of its divisors is an integer number (1399440).

Almost surely, 2^16669436 is an apocalyptic number.

It is an amenable number.

16669436 is an abundant number, since it is smaller than the sum of its proper divisors (16917124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16669436 is a wasteful number, since it uses less digits than its factorization.

16669436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433 (or 4431 counting only the distinct ones).

The product of its digits is 139968, while the sum is 41.

The square root of 16669436 is about 4082.8220632303. The cubic root of 16669436 is about 255.4506244560.

The spelling of 16669436 in words is "sixteen million, six hundred sixty-nine thousand, four hundred thirty-six".