161384339 has 2 divisors, whose sum is σ = 161384340. Its totient is φ = 161384338.

The previous prime is 161384303. The next prime is 161384341. The reversal of 161384339 is 933483161.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161384339 is a prime.

It is a Sophie Germain prime.

Together with 161384341, 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 (161384359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80692169 + 80692170.

It is an arithmetic number, because the mean of its divisors is an integer number (80692170).

Almost surely, 2^161384339 is an apocalyptic number.

161384339 is a deficient number, since it is larger than the sum of its proper divisors (1).

161384339 is an equidigital number, since it uses as much as digits as its factorization.

161384339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 38.

The square root of 161384339 is about 12703.7135909151. The cubic root of 161384339 is about 544.4447269362. Note that the first 3 decimals are identical.

The spelling of 161384339 in words is "one hundred sixty-one million, three hundred eighty-four thousand, three hundred thirty-nine".