16629942 has 32 divisors (see below), whose sum is σ = 38640384. Its totient is φ = 4672800.

The previous prime is 16629941. The next prime is 16629947. The reversal of 16629942 is 24992661.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 16629942.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 684 + ... + 5807.

It is an arithmetic number, because the mean of its divisors is an integer number (1207512).

Almost surely, 2^16629942 is an apocalyptic number.

16629942 is an abundant number, since it is smaller than the sum of its proper divisors (22010442).

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

16629942 is a wasteful number, since it uses less digits than its factorization.

16629942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6564.

The product of its digits is 46656, while the sum is 39.

The square root of 16629942 is about 4077.9825894675. The cubic root of 16629942 is about 255.2487231028.

It can be divided in two parts, 16629 and 942, that added together give a palindrome (17571).

The spelling of 16629942 in words is "sixteen million, six hundred twenty-nine thousand, nine hundred forty-two".