68354118340 has 24 divisors (see below), whose sum is σ = 144272304792. Its totient is φ = 27202855680.

The previous prime is 68354118323. The next prime is 68354118359. The reversal of 68354118340 is 4381145386.

68354118340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 32278434244 + 36075684096 = 179662^2 + 189936^2 .

It is a super-3 number, since 3×68354118340³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8670441 + ... + 8678320.

It is an arithmetic number, because the mean of its divisors is an integer number (6011346033).

Almost surely, 2^68354118340 is an apocalyptic number.

It is an amenable number.

68354118340 is an abundant number, since it is smaller than the sum of its proper divisors (75918186452).

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

68354118340 is a wasteful number, since it uses less digits than its factorization.

68354118340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17348967 (or 17348965 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 68354118340 in words is "sixty-eight billion, three hundred fifty-four million, one hundred eighteen thousand, three hundred forty".