16165227 has 16 divisors (see below), whose sum is σ = 23708160. Its totient is φ = 9735072.

The previous prime is 16165207. The next prime is 16165231. The reversal of 16165227 is 72256161.

It is not a de Polignac number, because 16165227 - 2⁸ = 16164971 is a prime.

It is a super-2 number, since 2×16165227² = 522629127923058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16165194 and 16165203.

It is not an unprimeable number, because it can be changed into a prime (16165207) 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, 2577 + ... + 6242.

It is an arithmetic number, because the mean of its divisors is an integer number (1481760).

Almost surely, 2^16165227 is an apocalyptic number.

16165227 is a deficient number, since it is larger than the sum of its proper divisors (7542933).

16165227 is a wasteful number, since it uses less digits than its factorization.

16165227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8882.

The product of its digits is 5040, while the sum is 30.

The square root of 16165227 is about 4020.6003283092. The cubic root of 16165227 is about 252.8486286422.

The spelling of 16165227 in words is "sixteen million, one hundred sixty-five thousand, two hundred twenty-seven".