16172204 has 24 divisors (see below), whose sum is σ = 29936256. Its totient is φ = 7632000.

The previous prime is 16172203. The next prime is 16172207. The reversal of 16172204 is 40227161.

It is a self number, because there is not a number n which added to its sum of digits gives 16172204.

It is not an unprimeable number, because it can be changed into a prime (16172203) 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 7 ways as a sum of consecutive naturals, for example, 3494 + ... + 6674.

It is an arithmetic number, because the mean of its divisors is an integer number (1247344).

Almost surely, 2^16172204 is an apocalyptic number.

It is an amenable number.

16172204 is a deficient number, since it is larger than the sum of its proper divisors (13764052).

16172204 is a wasteful number, since it uses less digits than its factorization.

16172204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257 (or 3255 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 16172204 is about 4021.4678912059. The cubic root of 16172204 is about 252.8850003583.

Adding to 16172204 its reverse (40227161), we get a palindrome (56399365).

The spelling of 16172204 in words is "sixteen million, one hundred seventy-two thousand, two hundred four".