163132213 has 2 divisors, whose sum is σ = 163132214. Its totient is φ = 163132212.

The previous prime is 163132183. The next prime is 163132217. The reversal of 163132213 is 312231361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158709604 + 4422609 = 12598^2 + 2103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163132213 is a prime.

It is a super-2 number, since 2×163132213² = 53224237836554738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163132217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81566106 + 81566107.

It is an arithmetic number, because the mean of its divisors is an integer number (81566107).

Almost surely, 2^163132213 is an apocalyptic number.

It is an amenable number.

163132213 is a deficient number, since it is larger than the sum of its proper divisors (1).

163132213 is an equidigital number, since it uses as much as digits as its factorization.

163132213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 22.

The square root of 163132213 is about 12772.3221459529. The cubic root of 163132213 is about 546.4032106410.

Adding to 163132213 its reverse (312231361), we get a palindrome (475363574).

The spelling of 163132213 in words is "one hundred sixty-three million, one hundred thirty-two thousand, two hundred thirteen".