16318944 has 36 divisors (see below), whose sum is σ = 46407816. Its totient is φ = 5439552.

The previous prime is 16318933. The next prime is 16318957. The reversal of 16318944 is 44981361.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 16318899 and 16318908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28044 + ... + 28619.

It is an arithmetic number, because the mean of its divisors is an integer number (1289106).

Almost surely, 2^16318944 is an apocalyptic number.

It is an amenable number.

16318944 is an abundant number, since it is smaller than the sum of its proper divisors (30088872).

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

16318944 is a wasteful number, since it uses less digits than its factorization.

16318944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56679 (or 56668 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 16318944 is about 4039.6712737548. The cubic root of 16318944 is about 253.6475571497.

The spelling of 16318944 in words is "sixteen million, three hundred eighteen thousand, nine hundred forty-four".