68668374446 has 8 divisors (see below), whose sum is σ = 117717213360. Its totient is φ = 29429303328.

The previous prime is 68668374419. The next prime is 68668374553. The reversal of 68668374446 is 64447386686.

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

It is a congruent number.

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, 2452441931 + ... + 2452441958.

It is an arithmetic number, because the mean of its divisors is an integer number (14714651670).

Almost surely, 2^68668374446 is an apocalyptic number.

68668374446 is a deficient number, since it is larger than the sum of its proper divisors (49048838914).

68668374446 is a wasteful number, since it uses less digits than its factorization.

68668374446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4904883898.

The product of its digits is 111476736, while the sum is 62.

The spelling of 68668374446 in words is "sixty-eight billion, six hundred sixty-eight million, three hundred seventy-four thousand, four hundred forty-six".