161214329 has 2 divisors, whose sum is σ = 161214330. Its totient is φ = 161214328.

The previous prime is 161214311. The next prime is 161214367. The reversal of 161214329 is 923412161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140375104 + 20839225 = 11848^2 + 4565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161214329 is a prime.

It is a Chen prime.

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

It is not a weakly prime, because it can be changed into another prime (161214929) 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, 80607164 + 80607165.

It is an arithmetic number, because the mean of its divisors is an integer number (80607165).

Almost surely, 2^161214329 is an apocalyptic number.

It is an amenable number.

161214329 is a deficient number, since it is larger than the sum of its proper divisors (1).

161214329 is an equidigital number, since it uses as much as digits as its factorization.

161214329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 161214329 is about 12697.0204772616. The cubic root of 161214329 is about 544.2534783710.

The spelling of 161214329 in words is "one hundred sixty-one million, two hundred fourteen thousand, three hundred twenty-nine".