163630322 has 4 divisors (see below), whose sum is σ = 245445486. Its totient is φ = 81815160.

The previous prime is 163630309. The next prime is 163630331. The reversal of 163630322 is 223036361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 82828201 + 80802121 = 9101^2 + 8989^2 .

It is a junction number, because it is equal to n+sod(n) for n = 163630291 and 163630300.

It is an unprimeable number.

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, 40907579 + ... + 40907582.

Almost surely, 2^163630322 is an apocalyptic number.

163630322 is a deficient number, since it is larger than the sum of its proper divisors (81815164).

163630322 is an equidigital number, since it uses as much as digits as its factorization.

163630322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81815163.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 163630322 is about 12791.8068309367. The cubic root of 163630322 is about 546.9587759853.

Adding to 163630322 its reverse (223036361), we get a palindrome (386666683).

The spelling of 163630322 in words is "one hundred sixty-three million, six hundred thirty thousand, three hundred twenty-two".