163630506 has 32 divisors (see below), whose sum is σ = 353001600. Its totient is φ = 50266944.

The previous prime is 163630501. The next prime is 163630513. The reversal of 163630506 is 605036361.

163630506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (163630501) 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 in 15 ways as a sum of consecutive naturals, for example, 62920 + ... + 65468.

It is an arithmetic number, because the mean of its divisors is an integer number (11031300).

Almost surely, 2^163630506 is an apocalyptic number.

163630506 is an abundant number, since it is smaller than the sum of its proper divisors (189371094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163630506 is a wasteful number, since it uses less digits than its factorization.

163630506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 163630506 is about 12791.8140230383. The cubic root of 163630506 is about 546.9589810010.

Adding to 163630506 its reverse (605036361), we get a palindrome (768666867).

The spelling of 163630506 in words is "one hundred sixty-three million, six hundred thirty thousand, five hundred six".