16738144 has 24 divisors (see below), whose sum is σ = 33165720. Its totient is φ = 8315136.

The previous prime is 16738121. The next prime is 16738147. The reversal of 16738144 is 44183761.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16738147) 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, 3612 + ... + 6820.

It is an arithmetic number, because the mean of its divisors is an integer number (1381905).

Almost surely, 2^16738144 is an apocalyptic number.

It is an amenable number.

16738144 is a deficient number, since it is larger than the sum of its proper divisors (16427576).

16738144 is a wasteful number, since it uses less digits than its factorization.

16738144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382 (or 3374 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 16738144 is about 4091.2276886040. The cubic root of 16738144 is about 255.8011150587.

The spelling of 16738144 in words is "sixteen million, seven hundred thirty-eight thousand, one hundred forty-four".