16944057 has 24 divisors (see below), whose sum is σ = 26646984. Its totient is φ = 10312704.

The previous prime is 16944043. The next prime is 16944061. The reversal of 16944057 is 75044961.

16944057 is a `hidden beast` number, since 169 + 440 + 57 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2359296 + 14584761 = 1536^2 + 3819^2 .

It is not a de Polignac number, because 16944057 - 2⁷ = 16943929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16944097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10603 + ... + 12095.

It is an arithmetic number, because the mean of its divisors is an integer number (1110291).

Almost surely, 2^16944057 is an apocalyptic number.

It is an amenable number.

16944057 is a deficient number, since it is larger than the sum of its proper divisors (9702927).

16944057 is a wasteful number, since it uses less digits than its factorization.

16944057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609 (or 1606 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 16944057 is about 4116.3159499727. The cubic root of 16944057 is about 256.8457996893.

The spelling of 16944057 in words is "sixteen million, nine hundred forty-four thousand, fifty-seven".