161468233 has 2 divisors, whose sum is σ = 161468234. Its totient is φ = 161468232.

The previous prime is 161468221. The next prime is 161468267. The reversal of 161468233 is 332864161.

It is a happy number.

It is an a-pointer prime, because the next prime (161468267) can be obtained adding 161468233 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155451024 + 6017209 = 12468^2 + 2453^2 .

It is a cyclic number.

It is not a de Polignac number, because 161468233 - 2⁹ = 161467721 is a prime.

It is not a weakly prime, because it can be changed into another prime (161468273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80734116 + 80734117.

It is an arithmetic number, because the mean of its divisors is an integer number (80734117).

Almost surely, 2^161468233 is an apocalyptic number.

It is an amenable number.

161468233 is a deficient number, since it is larger than the sum of its proper divisors (1).

161468233 is an equidigital number, since it uses as much as digits as its factorization.

161468233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 161468233 is about 12707.0151097730. The cubic root of 161468233 is about 544.5390519366.

The spelling of 161468233 in words is "one hundred sixty-one million, four hundred sixty-eight thousand, two hundred thirty-three".