161484161 has 2 divisors, whose sum is σ = 161484162. Its totient is φ = 161484160.

The previous prime is 161484143. The next prime is 161484179.

161484161 is nontrivially palindromic in base 10.

It is a balanced prime because it is at equal distance from previous prime (161484143) and next prime (161484179).

It can be written as a sum of positive squares in only one way, i.e., 138203536 + 23280625 = 11756^2 + 4825^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 161484161 - 2¹⁴ = 161467777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (161484061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80742080 + 80742081.

It is an arithmetic number, because the mean of its divisors is an integer number (80742081).

Almost surely, 2^161484161 is an apocalyptic number.

It is an amenable number.

161484161 is a deficient number, since it is larger than the sum of its proper divisors (1).

161484161 is an equidigital number, since it uses as much as digits as its factorization.

161484161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 32.

The square root of 161484161 is about 12707.6418347387. The cubic root of 161484161 is about 544.5569566614.

The spelling of 161484161 in words is "one hundred sixty-one million, four hundred eighty-four thousand, one hundred sixty-one".