16133404 has 12 divisors (see below), whose sum is σ = 32266864. Its totient is φ = 6914304.

The previous prime is 16133389. The next prime is 16133407. The reversal of 16133404 is 40433161.

16133404 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16133407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288069 + ... + 288124.

Almost surely, 2^16133404 is an apocalyptic number.

16133404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16133404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16133404 is a wasteful number, since it uses less digits than its factorization.

16133404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576204 (or 576202 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 16133404 is about 4016.6408851178. The cubic root of 16133404 is about 252.6825996764.

Adding to 16133404 its reverse (40433161), we get a palindrome (56566565).

The spelling of 16133404 in words is "sixteen million, one hundred thirty-three thousand, four hundred four".