68019792608 has 48 divisors (see below), whose sum is σ = 137118998016. Its totient is φ = 33205226880.

The previous prime is 68019792569. The next prime is 68019792611. The reversal of 68019792608 is 80629791086.

It is a congruent number.

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, 88685 + ... + 379347.

It is an arithmetic number, because the mean of its divisors is an integer number (2856645792).

Almost surely, 2^68019792608 is an apocalyptic number.

It is an amenable number.

68019792608 is an abundant number, since it is smaller than the sum of its proper divisors (69099205408).

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

68019792608 is a wasteful number, since it uses less digits than its factorization.

68019792608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290847 (or 290839 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 56.

The spelling of 68019792608 in words is "sixty-eight billion, nineteen million, seven hundred ninety-two thousand, six hundred eight".