68215854360 has 256 divisors, whose sum is σ = 215790220800. Its totient is φ = 17227026432.

The previous prime is 68215854349. The next prime is 68215854391. The reversal of 68215854360 is 6345851286.

It is a happy number.

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, 71579644 + ... + 71580596.

It is an arithmetic number, because the mean of its divisors is an integer number (842930550).

Almost surely, 2^68215854360 is an apocalyptic number.

68215854360 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 68215854360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107895110400).

68215854360 is an abundant number, since it is smaller than the sum of its proper divisors (147574366440).

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

68215854360 is a wasteful number, since it uses less digits than its factorization.

68215854360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370 (or 1366 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 68215854360 in words is "sixty-eight billion, two hundred fifteen million, eight hundred fifty-four thousand, three hundred sixty".