6161161 has 2 divisors, whose sum is σ = 6161162. Its totient is φ = 6161160.

The previous prime is 6161159. The next prime is 6161179. The reversal of 6161161 is 1611616.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6051600 + 109561 = 2460^2 + 331^2 .

It is a cyclic number.

It is not a de Polignac number, because 6161161 - 2¹ = 6161159 is a prime.

Together with 6161159, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6161761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3080580 + 3080581.

It is an arithmetic number, because the mean of its divisors is an integer number (3080581).

Almost surely, 2^6161161 is an apocalyptic number.

It is an amenable number.

6161161 is a deficient number, since it is larger than the sum of its proper divisors (1).

6161161 is an equidigital number, since it uses as much as digits as its factorization.

6161161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 22.

The square root of 6161161 is about 2482.1686082940. The cubic root of 6161161 is about 183.3246449510.

Adding to 6161161 its reverse (1611616), we get a palindrome (7772777).

The spelling of 6161161 in words is "six million, one hundred sixty-one thousand, one hundred sixty-one".