68058612820 has 24 divisors (see below), whose sum is σ = 155916095328. Its totient is φ = 24748586400.

The previous prime is 68058612799. The next prime is 68058612827. The reversal of 68058612820 is 2821685086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68058612827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154678446 + ... + 154678885.

It is an arithmetic number, because the mean of its divisors is an integer number (6496503972).

Almost surely, 2^68058612820 is an apocalyptic number.

It is an amenable number.

68058612820 is an abundant number, since it is smaller than the sum of its proper divisors (87857482508).

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

68058612820 is a wasteful number, since it uses less digits than its factorization.

68058612820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309357351 (or 309357349 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 68058612820 in words is "sixty-eight billion, fifty-eight million, six hundred twelve thousand, eight hundred twenty".