16122171 has 16 divisors (see below), whose sum is σ = 24512544. Its totient is φ = 9337344.

The previous prime is 16122157. The next prime is 16122181. The reversal of 16122171 is 17122161.

It is a happy number.

16122171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16122171 - 2⁶ = 16122107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16122101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11496 + ... + 12821.

It is an arithmetic number, because the mean of its divisors is an integer number (1532034).

Almost surely, 2^16122171 is an apocalyptic number.

16122171 is a deficient number, since it is larger than the sum of its proper divisors (8390373).

16122171 is a wasteful number, since it uses less digits than its factorization.

16122171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24350.

The product of its digits is 168, while the sum is 21.

The square root of 16122171 is about 4015.2423339071. The cubic root of 16122171 is about 252.6239420275.

The spelling of 16122171 in words is "sixteen million, one hundred twenty-two thousand, one hundred seventy-one".