16363944 has 40 divisors (see below), whose sum is σ = 45836010. Its totient is φ = 5454432.

The previous prime is 16363937. The next prime is 16363957. The reversal of 16363944 is 44936361.

16363944 is a `hidden beast` number, since 16 + 3 + 639 + 4 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9922500 + 6441444 = 3150^2 + 2538^2 .

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 = 16363899 and 16363908.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 11979 + ... + 13274.

Almost surely, 2^16363944 is an apocalyptic number.

It is an amenable number.

16363944 is an abundant number, since it is smaller than the sum of its proper divisors (29472066).

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

16363944 is a wasteful number, since it uses less digits than its factorization.

16363944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25271 (or 25258 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 16363944 is about 4045.2371994730. The cubic root of 16363944 is about 253.8804902059.

The spelling of 16363944 in words is "sixteen million, three hundred sixty-three thousand, nine hundred forty-four".