68142006808056 has 128 divisors (see below), whose sum is σ = 192358757606400. Its totient is φ = 22347224732160.

The previous prime is 68142006808027. The next prime is 68142006808129. The reversal of 68142006808056 is 65080860024186.

68142006808056 is a `hidden beast` number, since 6 + 81 + 420 + 0 + 68 + 0 + 80 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 68142006807993 and 68142006808011.

It is a congruent number.

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, 3564976 + ... + 12206271.

It is an arithmetic number, because the mean of its divisors is an integer number (1502802793800).

Almost surely, 2^{68142006808056} is an apocalyptic number.

It is an amenable number.

68142006808056 is an abundant number, since it is smaller than the sum of its proper divisors (124216750798344).

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

68142006808056 is a wasteful number, since it uses less digits than its factorization.

68142006808056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15771586 (or 15771576 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 68142006808056 in words is "sixty-eight trillion, one hundred forty-two billion, six million, eight hundred eight thousand, fifty-six".