16944172 has 24 divisors (see below), whose sum is σ = 35882784. Its totient is φ = 6834432.

The previous prime is 16944133. The next prime is 16944203. The reversal of 16944172 is 27144961.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17323 + ... + 18274.

It is an arithmetic number, because the mean of its divisors is an integer number (1495116).

Almost surely, 2^16944172 is an apocalyptic number.

It is an amenable number.

16944172 is an abundant number, since it is smaller than the sum of its proper divisors (18938612).

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

16944172 is a wasteful number, since it uses less digits than its factorization.

16944172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35625 (or 35623 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 16944172 is about 4116.3299187504. The cubic root of 16944172 is about 256.8463807622.

The spelling of 16944172 in words is "sixteen million, nine hundred forty-four thousand, one hundred seventy-two".