163434361 has 2 divisors, whose sum is σ = 163434362. Its totient is φ = 163434360.

The previous prime is 163434329. The next prime is 163434407.

It is a happy number.

163434361 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132963961 + 30470400 = 11531^2 + 5520^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 163434361 - 2⁵ = 163434329 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is equal to p_9156208 and since 163434361 and 9156208 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (163434461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81717180 + 81717181.

It is an arithmetic number, because the mean of its divisors is an integer number (81717181).

Almost surely, 2^163434361 is an apocalyptic number.

It is an amenable number.

163434361 is a deficient number, since it is larger than the sum of its proper divisors (1).

163434361 is an equidigital number, since it uses as much as digits as its factorization.

163434361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 31.

The square root of 163434361 is about 12784.1449068759. The cubic root of 163434361 is about 546.7403458015.

The spelling of 163434361 in words is "one hundred sixty-three million, four hundred thirty-four thousand, three hundred sixty-one".