68721541096 has 32 divisors (see below), whose sum is σ = 139539909600. Its totient is φ = 31540432320.

The previous prime is 68721541087. The next prime is 68721541129. The reversal of 68721541096 is 69014512786.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1827150 + ... + 1864381.

It is an arithmetic number, because the mean of its divisors is an integer number (4360622175).

Almost surely, 2^68721541096 is an apocalyptic number.

It is an amenable number.

68721541096 is an abundant number, since it is smaller than the sum of its proper divisors (70818368504).

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

68721541096 is a wasteful number, since it uses less digits than its factorization.

68721541096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691729 (or 3691725 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 68721541096 in words is "sixty-eight billion, seven hundred twenty-one million, five hundred forty-one thousand, ninety-six".