163026433 has 2 divisors, whose sum is σ = 163026434. Its totient is φ = 163026432.

The previous prime is 163026419. The next prime is 163026439. The reversal of 163026433 is 334620361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135652609 + 27373824 = 11647^2 + 5232^2 .

It is a cyclic number.

It is not a de Polignac number, because 163026433 - 2⁵ = 163026401 is a prime.

It is not a weakly prime, because it can be changed into another prime (163026439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81513216 + 81513217.

It is an arithmetic number, because the mean of its divisors is an integer number (81513217).

Almost surely, 2^163026433 is an apocalyptic number.

It is an amenable number.

163026433 is a deficient number, since it is larger than the sum of its proper divisors (1).

163026433 is an equidigital number, since it uses as much as digits as its factorization.

163026433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 163026433 is about 12768.1804890125. The cubic root of 163026433 is about 546.2850834936.

Adding to 163026433 its reverse (334620361), we get a palindrome (497646794).

The spelling of 163026433 in words is "one hundred sixty-three million, twenty-six thousand, four hundred thirty-three".