163040533 has 2 divisors, whose sum is σ = 163040534. Its totient is φ = 163040532.

The previous prime is 163040513. The next prime is 163040551. The reversal of 163040533 is 335040361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150381169 + 12659364 = 12263^2 + 3558^2 .

It is a cyclic number.

It is not a de Polignac number, because 163040533 - 2⁹ = 163040021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163040498 and 163040507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163040513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81520266 + 81520267.

It is an arithmetic number, because the mean of its divisors is an integer number (81520267).

Almost surely, 2^163040533 is an apocalyptic number.

It is an amenable number.

163040533 is a deficient number, since it is larger than the sum of its proper divisors (1).

163040533 is an equidigital number, since it uses as much as digits as its factorization.

163040533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 163040533 is about 12768.7326309231. The cubic root of 163040533 is about 546.3008322641.

Adding to 163040533 its reverse (335040361), we get a palindrome (498080894).

The spelling of 163040533 in words is "one hundred sixty-three million, forty thousand, five hundred thirty-three".