68265418680 has 256 divisors, whose sum is σ = 236597760000. Its totient is φ = 17488949760.

The previous prime is 68265418657. The next prime is 68265418693. The reversal of 68265418680 is 8681456286.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4646386 + ... + 4661054.

It is an arithmetic number, because the mean of its divisors is an integer number (924210000).

Almost surely, 2^68265418680 is an apocalyptic number.

68265418680 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 68265418680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118298880000).

68265418680 is an abundant number, since it is smaller than the sum of its proper divisors (168332341320).

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

68265418680 is a wasteful number, since it uses less digits than its factorization.

68265418680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14859 (or 14849 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 68265418680 in words is "sixty-eight billion, two hundred sixty-five million, four hundred eighteen thousand, six hundred eighty".