163346233 has 2 divisors, whose sum is σ = 163346234. Its totient is φ = 163346232.

The previous prime is 163346191. The next prime is 163346243. The reversal of 163346233 is 332643361.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121705024 + 41641209 = 11032^2 + 6453^2 .

It is a cyclic number.

It is not a de Polignac number, because 163346233 - 2²⁵ = 129791801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163346195 and 163346204.

It is not a weakly prime, because it can be changed into another prime (163346243) 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, 81673116 + 81673117.

It is an arithmetic number, because the mean of its divisors is an integer number (81673117).

Almost surely, 2^163346233 is an apocalyptic number.

It is an amenable number.

163346233 is a deficient number, since it is larger than the sum of its proper divisors (1).

163346233 is an equidigital number, since it uses as much as digits as its factorization.

163346233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 31.

The square root of 163346233 is about 12780.6976726625. The cubic root of 163346233 is about 546.6420559927.

Adding to 163346233 its reverse (332643361), we get a palindrome (495989594).

The spelling of 163346233 in words is "one hundred sixty-three million, three hundred forty-six thousand, two hundred thirty-three".