68171613 has 8 divisors (see below), whose sum is σ = 91404000. Its totient is φ = 45193488.

The previous prime is 68171603. The next prime is 68171633. The reversal of 68171613 is 31617186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68171613 - 2⁹ = 68171101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68171603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62938 + ... + 64011.

It is an arithmetic number, because the mean of its divisors is an integer number (11425500).

Almost surely, 2^68171613 is an apocalyptic number.

It is an amenable number.

68171613 is a deficient number, since it is larger than the sum of its proper divisors (23232387).

68171613 is a wasteful number, since it uses less digits than its factorization.

68171613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127131.

The product of its digits is 6048, while the sum is 33.

The square root of 68171613 is about 8256.6102608758. The cubic root of 68171613 is about 408.5085869772.

Adding to 68171613 its reverse (31617186), we get a palindrome (99788799).

The spelling of 68171613 in words is "sixty-eight million, one hundred seventy-one thousand, six hundred thirteen".