68875660560 has 320 divisors, whose sum is σ = 252208857600. Its totient is φ = 15221391360.

The previous prime is 68875660549. The next prime is 68875660621. The reversal of 68875660560 is 6506657886.

It is a self number, because there is not a number n which added to its sum of digits gives 68875660560.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7779016 + ... + 7787864.

It is an arithmetic number, because the mean of its divisors is an integer number (788152680).

Almost surely, 2^68875660560 is an apocalyptic number.

68875660560 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 68875660560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126104428800).

68875660560 is an abundant number, since it is smaller than the sum of its proper divisors (183333197040).

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

68875660560 is a wasteful number, since it uses less digits than its factorization.

68875660560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9026 (or 9020 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 68875660560 in words is "sixty-eight billion, eight hundred seventy-five million, six hundred sixty thousand, five hundred sixty".