68360812080 has 640 divisors, whose sum is σ = 253999742976. Its totient is φ = 15020851200.

The previous prime is 68360812067. The next prime is 68360812081. The reversal of 68360812080 is 8021806386.

It is not an unprimeable number, because it can be changed into a prime (68360812081) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 178487569 + ... + 178487951.

Almost surely, 2^68360812080 is an apocalyptic number.

68360812080 is a gapful number since it is divisible by the number (60) 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 68360812080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126999871488).

68360812080 is an abundant number, since it is smaller than the sum of its proper divisors (185638930896).

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

68360812080 is a wasteful number, since it uses less digits than its factorization.

68360812080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 68360812080 in words is "sixty-eight billion, three hundred sixty million, eight hundred twelve thousand, eighty".