68068810000 has 75 divisors (see below), whose sum is σ = 164864586601. Its totient is φ = 27217088000.

The previous prime is 68068809961. The next prime is 68068810009. The reversal of 68068810000 is 1886086.

The square root of 68068810000 is 260900.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 53422001424 + 14646808576 = 231132^2 + 121024^2 .

It is a super-2 number, since 2×68068810000² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68068810009) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 26088696 + ... + 26091304.

Almost surely, 2^68068810000 is an apocalyptic number.

68068810000 is the 260900-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68068810000

68068810000 is an abundant number, since it is smaller than the sum of its proper divisors (96795776601).

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

68068810000 is an frugal number, since it uses more digits than its factorization.

68068810000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5246 (or 2616 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 68068810000 in words is "sixty-eight billion, sixty-eight million, eight hundred ten thousand".