16699444 has 6 divisors (see below), whose sum is σ = 29224034. Its totient is φ = 8349720.

The previous prime is 16699433. The next prime is 16699451. The reversal of 16699444 is 44499661.

It can be written as a sum of positive squares in only one way, i.e., 15288100 + 1411344 = 3910^2 + 1188^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16699444.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2087427 + ... + 2087434.

Almost surely, 2^16699444 is an apocalyptic number.

It is an amenable number.

16699444 is a deficient number, since it is larger than the sum of its proper divisors (12524590).

16699444 is a wasteful number, since it uses less digits than its factorization.

16699444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4174865 (or 4174863 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 16699444 is about 4086.4953199533. The cubic root of 16699444 is about 255.6038183440.

The spelling of 16699444 in words is "sixteen million, six hundred ninety-nine thousand, four hundred forty-four".