68351360032 has 48 divisors (see below), whose sum is σ = 137559582720. Its totient is φ = 33416967168.

The previous prime is 68351360009. The next prime is 68351360041. The reversal of 68351360032 is 23006315386.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68351359973 and 68351360000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1613944 + ... + 1655752.

It is an arithmetic number, because the mean of its divisors is an integer number (2865824640).

Almost surely, 2^68351360032 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 68351360032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68779791360).

68351360032 is an abundant number, since it is smaller than the sum of its proper divisors (69208222688).

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

68351360032 is a wasteful number, since it uses less digits than its factorization.

68351360032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42953 (or 42945 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 68351360032 in words is "sixty-eight billion, three hundred fifty-one million, three hundred sixty thousand, thirty-two".