68986801631328 has 384 divisors, whose sum is σ = 220438417489920. Its totient is φ = 18440768102400.

The previous prime is 68986801631249. The next prime is 68986801631347. The reversal of 68986801631328 is 82313610868986.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8676489753 + ... + 8676497703.

It is an arithmetic number, because the mean of its divisors is an integer number (574058378880).

Almost surely, 2^{68986801631328} is an apocalyptic number.

68986801631328 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68986801631328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110219208744960).

68986801631328 is an abundant number, since it is smaller than the sum of its proper divisors (151451615858592).

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

68986801631328 is a wasteful number, since it uses less digits than its factorization.

68986801631328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12410 (or 12402 counting only the distinct ones).

The product of its (nonzero) digits is 143327232, while the sum is 69.

The spelling of 68986801631328 in words is "sixty-eight trillion, nine hundred eighty-six billion, eight hundred one million, six hundred thirty-one thousand, three hundred twenty-eight".