108631169 has 2 divisors, whose sum is σ = 108631170. Its totient is φ = 108631168.

The previous prime is 108631157. The next prime is 108631217. The reversal of 108631169 is 961136801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63808144 + 44823025 = 7988^2 + 6695^2 .

It is a cyclic number.

It is not a de Polignac number, because 108631169 - 2²⁰ = 107582593 is a prime.

It is a super-2 number, since 2×108631169² = 23601461756613122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (108631109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54315584 + 54315585.

It is an arithmetic number, because the mean of its divisors is an integer number (54315585).

Almost surely, 2^108631169 is an apocalyptic number.

It is an amenable number.

108631169 is a deficient number, since it is larger than the sum of its proper divisors (1).

108631169 is an equidigital number, since it uses as much as digits as its factorization.

108631169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 108631169 is about 10422.6277396825. The cubic root of 108631169 is about 477.1462163844.

The spelling of 108631169 in words is "one hundred eight million, six hundred thirty-one thousand, one hundred sixty-nine".