68193239186 has 8 divisors (see below), whose sum is σ = 103302629964. Its totient is φ = 33759029200.

The previous prime is 68193239173. The next prime is 68193239197.

It is a happy number.

68193239186 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 58627421161 + 9565818025 = 242131^2 + 97805^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168794945 + ... + 168795348.

Almost surely, 2^68193239186 is an apocalyptic number.

68193239186 is a deficient number, since it is larger than the sum of its proper divisors (35109390778).

68193239186 is a wasteful number, since it uses less digits than its factorization.

68193239186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337590396.

The product of its digits is 3359232, while the sum is 56.

The spelling of 68193239186 in words is "sixty-eight billion, one hundred ninety-three million, two hundred thirty-nine thousand, one hundred eighty-six".