16071172 has 24 divisors (see below), whose sum is σ = 31110296. Its totient is φ = 7216128.

The previous prime is 16071163. The next prime is 16071173. The reversal of 16071172 is 27117061.

It can be written as a sum of positive squares in 4 ways, for example, as 3779136 + 12292036 = 1944^2 + 3506^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16071173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2253 + ... + 6100.

Almost surely, 2^16071172 is an apocalyptic number.

It is an amenable number.

16071172 is a deficient number, since it is larger than the sum of its proper divisors (15039124).

16071172 is a wasteful number, since it uses less digits than its factorization.

16071172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8407 (or 8405 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 16071172 is about 4008.8866284793. The cubic root of 16071172 is about 252.3572869321.

The spelling of 16071172 in words is "sixteen million, seventy-one thousand, one hundred seventy-two".