163631107 has 2 divisors, whose sum is σ = 163631108. Its totient is φ = 163631106.

The previous prime is 163631029. The next prime is 163631147. The reversal of 163631107 is 701136361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163631107 - 2¹⁵ = 163598339 is a prime.

It is not a weakly prime, because it can be changed into another prime (163631147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81815553 + 81815554.

It is an arithmetic number, because the mean of its divisors is an integer number (81815554).

Almost surely, 2^163631107 is an apocalyptic number.

163631107 is a deficient number, since it is larger than the sum of its proper divisors (1).

163631107 is an equidigital number, since it uses as much as digits as its factorization.

163631107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 163631107 is about 12791.8375146028. The cubic root of 163631107 is about 546.9596506438.

Adding to 163631107 its reverse (701136361), we get a palindrome (864767468).

The spelling of 163631107 in words is "one hundred sixty-three million, six hundred thirty-one thousand, one hundred seven".