168061871 has 2 divisors, whose sum is σ = 168061872. Its totient is φ = 168061870.

The previous prime is 168061823. The next prime is 168061877. The reversal of 168061871 is 178160861.

168061871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168061871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168061877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84030935 + 84030936.

It is an arithmetic number, because the mean of its divisors is an integer number (84030936).

Almost surely, 2^168061871 is an apocalyptic number.

168061871 is a deficient number, since it is larger than the sum of its proper divisors (1).

168061871 is an equidigital number, since it uses as much as digits as its factorization.

168061871 is an evil number, because the sum of its binary digits is even.

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

The square root of 168061871 is about 12963.8679027519. The cubic root of 168061871 is about 551.8525640251.

The spelling of 168061871 in words is "one hundred sixty-eight million, sixty-one thousand, eight hundred seventy-one".