16629944 has 16 divisors (see below), whose sum is σ = 33015600. Its totient is φ = 7825792.

The previous prime is 16629941. The next prime is 16629947. The reversal of 16629944 is 44992661.

It is an interprime number because it is at equal distance from previous prime (16629941) and next prime (16629947).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16629941) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 61004 + ... + 61275.

It is an arithmetic number, because the mean of its divisors is an integer number (2063475).

Almost surely, 2^16629944 is an apocalyptic number.

It is an amenable number.

16629944 is a deficient number, since it is larger than the sum of its proper divisors (16385656).

16629944 is a wasteful number, since it uses less digits than its factorization.

16629944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122302 (or 122298 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 16629944 is about 4077.9828346868. The cubic root of 16629944 is about 255.2487333353.

The spelling of 16629944 in words is "sixteen million, six hundred twenty-nine thousand, nine hundred forty-four".