16089171 has 24 divisors (see below), whose sum is σ = 25419264. Its totient is φ = 8867040.

The previous prime is 16089149. The next prime is 16089197. The reversal of 16089171 is 17198061.

It is not a de Polignac number, because 16089171 - 2²¹ = 13992019 is a prime.

It is a super-2 number, since 2×16089171² = 517722846934482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16089071) 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 23 ways as a sum of consecutive naturals, for example, 17206 + ... + 18116.

It is an arithmetic number, because the mean of its divisors is an integer number (1059136).

Almost surely, 2^16089171 is an apocalyptic number.

16089171 is a deficient number, since it is larger than the sum of its proper divisors (9330093).

16089171 is an equidigital number, since it uses as much as digits as its factorization.

16089171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 33.

The square root of 16089171 is about 4011.1308879168. The cubic root of 16089171 is about 252.4514614408.

The spelling of 16089171 in words is "sixteen million, eighty-nine thousand, one hundred seventy-one".