68171101 has 2 divisors, whose sum is σ = 68171102. Its totient is φ = 68171100.

The previous prime is 68171053. The next prime is 68171113. The reversal of 68171101 is 10117186.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42263001 + 25908100 = 6501^2 + 5090^2 .

It is a cyclic number.

It is not a de Polignac number, because 68171101 - 2¹³ = 68162909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68171161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34085550 + 34085551.

It is an arithmetic number, because the mean of its divisors is an integer number (34085551).

Almost surely, 2^68171101 is an apocalyptic number.

It is an amenable number.

68171101 is a deficient number, since it is larger than the sum of its proper divisors (1).

68171101 is an equidigital number, since it uses as much as digits as its factorization.

68171101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 25.

The square root of 68171101 is about 8256.5792553575. The cubic root of 68171101 is about 408.5075642792.

Adding to 68171101 its reverse (10117186), we get a palindrome (78288287).

The spelling of 68171101 in words is "sixty-eight million, one hundred seventy-one thousand, one hundred one".