68196010842 has 12 divisors (see below), whose sum is σ = 147758023530. Its totient is φ = 22732003608.

The previous prime is 68196010829. The next prime is 68196010843. The reversal of 68196010842 is 24801069186.

It can be written as a sum of positive squares in only one way, i.e., 64449469161 + 3746541681 = 253869^2 + 61209^2 .

It is not an unprimeable number, because it can be changed into a prime (68196010843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1894333617 + ... + 1894333652.

Almost surely, 2^68196010842 is an apocalyptic number.

68196010842 is an abundant number, since it is smaller than the sum of its proper divisors (79562012688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68196010842 is a wasteful number, since it uses less digits than its factorization.

68196010842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788667277 (or 3788667274 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 68196010842 in words is "sixty-eight billion, one hundred ninety-six million, ten thousand, eight hundred forty-two".