68008168471 has 2 divisors, whose sum is σ = 68008168472. Its totient is φ = 68008168470.

The previous prime is 68008168411. The next prime is 68008168537. The reversal of 68008168471 is 17486180086.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68008168471 - 2²¹ = 68006071319 is a prime.

It is a super-3 number, since 3×68008168471³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68008168411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34004084235 + 34004084236.

It is an arithmetic number, because the mean of its divisors is an integer number (34004084236).

Almost surely, 2^68008168471 is an apocalyptic number.

68008168471 is a deficient number, since it is larger than the sum of its proper divisors (1).

68008168471 is an equidigital number, since it uses as much as digits as its factorization.

68008168471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516096, while the sum is 49.

The spelling of 68008168471 in words is "sixty-eight billion, eight million, one hundred sixty-eight thousand, four hundred seventy-one".