68528098493568 has 640 divisors, whose sum is σ = 234477364176000. Its totient is φ = 19542184353792.

The previous prime is 68528098493549. The next prime is 68528098493597. The reversal of 68528098493568 is 86539489082586.

68528098493568 is a `hidden beast` number, since 6 + 8 + 5 + 2 + 8 + 0 + 9 + 8 + 49 + 3 + 568 = 666.

68528098493568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×68528098493568² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 10034862378 + ... + 10034869206.

It is an arithmetic number, because the mean of its divisors is an integer number (366370881525).

Almost surely, 2^{68528098493568} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68528098493568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117238682088000).

68528098493568 is an abundant number, since it is smaller than the sum of its proper divisors (165949265682432).

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

68528098493568 is an frugal number, since it uses more digits than its factorization.

68528098493568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7446 (or 7410 counting only the distinct ones).

The product of its (nonzero) digits is 7166361600, while the sum is 81.

The spelling of 68528098493568 in words is "sixty-eight trillion, five hundred twenty-eight billion, ninety-eight million, four hundred ninety-three thousand, five hundred sixty-eight".