168861107 has 2 divisors, whose sum is σ = 168861108. Its totient is φ = 168861106.

The previous prime is 168861103. The next prime is 168861109. The reversal of 168861107 is 701168861.

It is a strong prime.

It is an emirp because it is prime and its reverse (701168861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 168861107 - 2² = 168861103 is a prime.

Together with 168861109, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (168861103) 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 as a sum of consecutive naturals, namely, 84430553 + 84430554.

It is an arithmetic number, because the mean of its divisors is an integer number (84430554).

Almost surely, 2^168861107 is an apocalyptic number.

168861107 is a deficient number, since it is larger than the sum of its proper divisors (1).

168861107 is an equidigital number, since it uses as much as digits as its factorization.

168861107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 168861107 is about 12994.6568634959. The cubic root of 168861107 is about 552.7259786883.

The spelling of 168861107 in words is "one hundred sixty-eight million, eight hundred sixty-one thousand, one hundred seven".