61160189 has 2 divisors, whose sum is σ = 61160190. Its totient is φ = 61160188.

The previous prime is 61160129. The next prime is 61160191. The reversal of 61160189 is 98106116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49140100 + 12020089 = 7010^2 + 3467^2 .

It is a cyclic number.

It is not a de Polignac number, because 61160189 - 2¹² = 61156093 is a prime.

It is a Sophie Germain prime.

Together with 61160191, it forms a pair of twin primes.

It is a Chen 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 (61160129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30580094 + 30580095.

It is an arithmetic number, because the mean of its divisors is an integer number (30580095).

Almost surely, 2^61160189 is an apocalyptic number.

It is an amenable number.

61160189 is a deficient number, since it is larger than the sum of its proper divisors (1).

61160189 is an equidigital number, since it uses as much as digits as its factorization.

61160189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 61160189 is about 7820.4980020456. The cubic root of 61160189 is about 393.9939982938.

The spelling of 61160189 in words is "sixty-one million, one hundred sixty thousand, one hundred eighty-nine".