6138161 has 2 divisors, whose sum is σ = 6138162. Its totient is φ = 6138160.

The previous prime is 6138149. The next prime is 6138179. The reversal of 6138161 is 1618316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3312400 + 2825761 = 1820^2 + 1681^2 .

It is a cyclic number.

It is not a de Polignac number, because 6138161 - 2¹⁰ = 6137137 is a prime.

It is a Chen prime.

It is equal to p₄₂₁₆₈₅ and since 6138161 and 421685 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6138161.

It is not a weakly prime, because it can be changed into another prime (6138131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3069080 + 3069081.

It is an arithmetic number, because the mean of its divisors is an integer number (3069081).

Almost surely, 2^6138161 is an apocalyptic number.

It is an amenable number.

6138161 is a deficient number, since it is larger than the sum of its proper divisors (1).

6138161 is an equidigital number, since it uses as much as digits as its factorization.

6138161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 26.

The square root of 6138161 is about 2477.5312308829. The cubic root of 6138161 is about 183.0962397029.

The spelling of 6138161 in words is "six million, one hundred thirty-eight thousand, one hundred sixty-one".