68194544549186 has 24 divisors (see below), whose sum is σ = 112437655708140. Its totient is φ = 30997190554880.

The previous prime is 68194544549177. The next prime is 68194544549191.

It is a happy number.

68194544549186 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 63613082559961 + 4581461989225 = 7975781^2 + 2140435^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22064870 + ... + 24964926.

Almost surely, 2^{68194544549186} is an apocalyptic number.

68194544549186 is a deficient number, since it is larger than the sum of its proper divisors (44243111158954).

68194544549186 is a wasteful number, since it uses less digits than its factorization.

68194544549186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997250 (or 2997239 counting only the distinct ones).

The product of its digits is 1194393600, while the sum is 74.

The spelling of 68194544549186 in words is "sixty-eight trillion, one hundred ninety-four billion, five hundred forty-four million, five hundred forty-nine thousand, one hundred eighty-six".