163130502 has 16 divisors (see below), whose sum is σ = 332417520. Its totient is φ = 53350752.

The previous prime is 163130459. The next prime is 163130507. The reversal of 163130502 is 205031361.

It is a super-2 number, since 2×163130502² = 53223121365544008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163130507) 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 7 ways as a sum of consecutive naturals, for example, 256177 + ... + 256812.

It is an arithmetic number, because the mean of its divisors is an integer number (20776095).

Almost surely, 2^163130502 is an apocalyptic number.

163130502 is an abundant number, since it is smaller than the sum of its proper divisors (169287018).

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

163130502 is a wasteful number, since it uses less digits than its factorization.

163130502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513047.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 163130502 is about 12772.2551650051. The cubic root of 163130502 is about 546.4013003312.

Adding to 163130502 its reverse (205031361), we get a palindrome (368161863).

The spelling of 163130502 in words is "one hundred sixty-three million, one hundred thirty thousand, five hundred two".