68657633675686 has 8 divisors (see below), whose sum is σ = 112348855105704. Its totient is φ = 31208015307120.

The previous prime is 68657633675663. The next prime is 68657633675689.

68657633675686 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68657633675689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1560400765335 + ... + 1560400765378.

It is an arithmetic number, because the mean of its divisors is an integer number (14043606888213).

Almost surely, 2^{68657633675686} is an apocalyptic number.

68657633675686 is a deficient number, since it is larger than the sum of its proper divisors (43691221430018).

68657633675686 is a wasteful number, since it uses less digits than its factorization.

68657633675686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120801530726.

The product of its digits is 32920473600, while the sum is 82.

The spelling of 68657633675686 in words is "sixty-eight trillion, six hundred fifty-seven billion, six hundred thirty-three million, six hundred seventy-five thousand, six hundred eighty-six".