164448233 has 2 divisors, whose sum is σ = 164448234. Its totient is φ = 164448232.

The previous prime is 164448203. The next prime is 164448257. The reversal of 164448233 is 332844461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156675289 + 7772944 = 12517^2 + 2788^2 .

It is a cyclic number.

It is not a de Polignac number, because 164448233 - 2⁸ = 164447977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164448193 and 164448202.

It is not a weakly prime, because it can be changed into another prime (164448203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82224116 + 82224117.

It is an arithmetic number, because the mean of its divisors is an integer number (82224117).

Almost surely, 2^164448233 is an apocalyptic number.

It is an amenable number.

164448233 is a deficient number, since it is larger than the sum of its proper divisors (1).

164448233 is an equidigital number, since it uses as much as digits as its factorization.

164448233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 35.

The square root of 164448233 is about 12823.7370918153. The cubic root of 164448233 is about 547.8685916198.

The spelling of 164448233 in words is "one hundred sixty-four million, four hundred forty-eight thousand, two hundred thirty-three".