68658737280000 has 660 divisors, whose sum is σ = 266012975999232. Its totient is φ = 15693404160000.

The previous prime is 68658737279999. The next prime is 68658737280083. The reversal of 68658737280000 is 8273785686.

68658737280000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

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 59 ways as a sum of consecutive naturals, for example, 93715105 + ... + 94444895.

Almost surely, 2^{68658737280000} is an apocalyptic number.

68658737280000 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 68658737280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133006487999616).

68658737280000 is an abundant number, since it is smaller than the sum of its proper divisors (197354238719232).

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

68658737280000 is an equidigital number, since it uses as much as digits as its factorization.

68658737280000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729848 (or 729808 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 60.

The spelling of 68658737280000 in words is "sixty-eight trillion, six hundred fifty-eight billion, seven hundred thirty-seven million, two hundred eighty thousand".