16318044 has 48 divisors (see below), whose sum is σ = 42649600. Its totient is φ = 5395248.

The previous prime is 16318037. The next prime is 16318067. The reversal of 16318044 is 44081361.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 16317999 and 16318017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14469 + ... + 15555.

Almost surely, 2^16318044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16318044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21324800).

16318044 is an abundant number, since it is smaller than the sum of its proper divisors (26331556).

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

16318044 is a wasteful number, since it uses less digits than its factorization.

16318044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239 (or 1231 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 16318044 is about 4039.5598770163. The cubic root of 16318044 is about 253.6428941234.

The spelling of 16318044 in words is "sixteen million, three hundred eighteen thousand, forty-four".