16338812 has 24 divisors (see below), whose sum is σ = 32876256. Its totient is φ = 6959808.

The previous prime is 16338781. The next prime is 16338851. The reversal of 16338812 is 21883361.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3158 + ... + 6530.

It is an arithmetic number, because the mean of its divisors is an integer number (1369844).

Almost surely, 2^16338812 is an apocalyptic number.

It is an amenable number.

16338812 is an abundant number, since it is smaller than the sum of its proper divisors (16537444).

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

16338812 is a wasteful number, since it uses less digits than its factorization.

16338812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557 (or 3555 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 16338812 is about 4042.1296367138. The cubic root of 16338812 is about 253.7504524085.

The spelling of 16338812 in words is "sixteen million, three hundred thirty-eight thousand, eight hundred twelve".