16172144 has 10 divisors (see below), whose sum is σ = 31333560. Its totient is φ = 8086064.

The previous prime is 16172141. The next prime is 16172153. The reversal of 16172144 is 44127161.

16172144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16172141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505364 + ... + 505395.

It is an arithmetic number, because the mean of its divisors is an integer number (3133356).

Almost surely, 2^16172144 is an apocalyptic number.

It is an amenable number.

16172144 is a deficient number, since it is larger than the sum of its proper divisors (15161416).

16172144 is a wasteful number, since it uses less digits than its factorization.

16172144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010767 (or 1010761 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 16172144 is about 4021.4604312364. The cubic root of 16172144 is about 252.8846876176.

The spelling of 16172144 in words is "sixteen million, one hundred seventy-two thousand, one hundred forty-four".