434180161 has 2 divisors, whose sum is σ = 434180162. Its totient is φ = 434180160.

The previous prime is 434180147. The next prime is 434180171. The reversal of 434180161 is 161081434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339701761 + 94478400 = 18431^2 + 9720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434180161 is a prime.

It is not a weakly prime, because it can be changed into another prime (434180101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217090080 + 217090081.

It is an arithmetic number, because the mean of its divisors is an integer number (217090081).

Almost surely, 2^434180161 is an apocalyptic number.

It is an amenable number.

434180161 is a deficient number, since it is larger than the sum of its proper divisors (1).

434180161 is an equidigital number, since it uses as much as digits as its factorization.

434180161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 434180161 is about 20836.9902097208. The cubic root of 434180161 is about 757.2221775601. Note that the first 3 decimals are identical.

The spelling of 434180161 in words is "four hundred thirty-four million, one hundred eighty thousand, one hundred sixty-one".