68611171 has 2 divisors, whose sum is σ = 68611172. Its totient is φ = 68611170.

The previous prime is 68611141. The next prime is 68611181. The reversal of 68611171 is 17111686.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68611171 - 2⁷ = 68611043 is a prime.

It is not a weakly prime, because it can be changed into another prime (68611111) 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, 34305585 + 34305586.

It is an arithmetic number, because the mean of its divisors is an integer number (34305586).

Almost surely, 2^68611171 is an apocalyptic number.

68611171 is a deficient number, since it is larger than the sum of its proper divisors (1).

68611171 is an equidigital number, since it uses as much as digits as its factorization.

68611171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 31.

The square root of 68611171 is about 8283.1860416147. The cubic root of 68611171 is about 409.3847026894.

The spelling of 68611171 in words is "sixty-eight million, six hundred eleven thousand, one hundred seventy-one".