68182117 has 6 divisors (see below), whose sum is σ = 68720678. Its totient is φ = 67645032.

The previous prime is 68182069. The next prime is 68182123. The reversal of 68182117 is 71128186.

It can be written as a sum of positive squares in only one way, i.e., 52548001 + 15634116 = 7249^2 + 3954^2 .

It is not a de Polignac number, because 68182117 - 2¹⁹ = 67657829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68182187) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103134 + ... + 103792.

Almost surely, 2^68182117 is an apocalyptic number.

It is an amenable number.

68182117 is a deficient number, since it is larger than the sum of its proper divisors (538561).

68182117 is an frugal number, since it uses more digits than its factorization.

68182117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475 (or 816 counting only the distinct ones).

The product of its digits is 5376, while the sum is 34.

The square root of 68182117 is about 8257.2463327674. The cubic root of 68182117 is about 408.5295671362.

The spelling of 68182117 in words is "sixty-eight million, one hundred eighty-two thousand, one hundred seventeen".