163130105 has 16 divisors (see below), whose sum is σ = 206556480. Its totient is φ = 123337152.

The previous prime is 163130101. The next prime is 163130111. The reversal of 163130105 is 501031361.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 163130105 - 2² = 163130101 is a prime.

It is a super-2 number, since 2×163130105² = 53222862314622050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163130101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42527 + ... + 46203.

It is an arithmetic number, because the mean of its divisors is an integer number (12909780).

Almost surely, 2^163130105 is an apocalyptic number.

It is an amenable number.

163130105 is a deficient number, since it is larger than the sum of its proper divisors (43426375).

163130105 is a wasteful number, since it uses less digits than its factorization.

163130105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 163130105 is about 12772.2396234960. The cubic root of 163130105 is about 546.4008570839.

Adding to 163130105 its reverse (501031361), we get a palindrome (664161466).

The spelling of 163130105 in words is "one hundred sixty-three million, one hundred thirty thousand, one hundred five".