68107643610 has 64 divisors (see below), whose sum is σ = 164267937792. Its totient is φ = 18072305216.

The previous prime is 68107643581. The next prime is 68107643621. The reversal of 68107643610 is 1634670186.

It is a super-3 number, since 3×68107643610³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5229727 + ... + 5242733.

It is an arithmetic number, because the mean of its divisors is an integer number (2566686528).

Almost surely, 2^68107643610 is an apocalyptic number.

68107643610 is an abundant number, since it is smaller than the sum of its proper divisors (96160294182).

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

68107643610 is a wasteful number, since it uses less digits than its factorization.

68107643610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13867.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 68107643610 in words is "sixty-eight billion, one hundred seven million, six hundred forty-three thousand, six hundred ten".