68650366078 has 64 divisors (see below), whose sum is σ = 130290094080. Its totient is φ = 26464838400.

The previous prime is 68650366067. The next prime is 68650366091. The reversal of 68650366078 is 87066305686.

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, 358498 + ... + 515578.

It is an arithmetic number, because the mean of its divisors is an integer number (2035782720).

Almost surely, 2^68650366078 is an apocalyptic number.

68650366078 is a deficient number, since it is larger than the sum of its proper divisors (61639728002).

68650366078 is a wasteful number, since it uses less digits than its factorization.

68650366078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157193.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 68650366078 in words is "sixty-eight billion, six hundred fifty million, three hundred sixty-six thousand, seventy-eight".