68051211768 has 24 divisors (see below), whose sum is σ = 184305365400. Its totient is φ = 22683737232.

The previous prime is 68051211733. The next prime is 68051211779. The reversal of 68051211768 is 86711215086.

68051211768 is a `hidden beast` number, since 68 + 0 + 512 + 1 + 1 + 76 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 472577788 + ... + 472577931.

It is an arithmetic number, because the mean of its divisors is an integer number (7679390225).

Almost surely, 2^68051211768 is an apocalyptic number.

It is an amenable number.

68051211768 is an abundant number, since it is smaller than the sum of its proper divisors (116254153632).

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

68051211768 is a wasteful number, since it uses less digits than its factorization.

68051211768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945155731 (or 945155724 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 68051211768 in words is "sixty-eight billion, fifty-one million, two hundred eleven thousand, seven hundred sixty-eight".