16167149 has 2 divisors, whose sum is σ = 16167150. Its totient is φ = 16167148.

The previous prime is 16167139. The next prime is 16167191. The reversal of 16167149 is 94176161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15264649 + 902500 = 3907^2 + 950^2 .

It is a cyclic number.

It is not a de Polignac number, because 16167149 - 2⁴ = 16167133 is a prime.

It is a super-2 number, since 2×16167149² = 522753413576402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16167139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8083574 + 8083575.

It is an arithmetic number, because the mean of its divisors is an integer number (8083575).

Almost surely, 2^16167149 is an apocalyptic number.

It is an amenable number.

16167149 is a deficient number, since it is larger than the sum of its proper divisors (1).

16167149 is an equidigital number, since it uses as much as digits as its factorization.

16167149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 35.

The square root of 16167149 is about 4020.8393402373. The cubic root of 16167149 is about 252.8586492419.

The spelling of 16167149 in words is "sixteen million, one hundred sixty-seven thousand, one hundred forty-nine".