68142224186 has 8 divisors (see below), whose sum is σ = 102385704564. Its totient is φ = 34013656000.

The previous prime is 68142224173. The next prime is 68142224203.

68142224186 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 67498638025 + 643586161 = 259805^2 + 25369^2 .

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, 28726565 + ... + 28728936.

Almost surely, 2^68142224186 is an apocalyptic number.

68142224186 is a deficient number, since it is larger than the sum of its proper divisors (34243480378).

68142224186 is a wasteful number, since it uses less digits than its factorization.

68142224186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57456096.

The product of its digits is 294912, while the sum is 44.

The spelling of 68142224186 in words is "sixty-eight billion, one hundred forty-two million, two hundred twenty-four thousand, one hundred eighty-six".