68066560078122 has 16 divisors (see below), whose sum is σ = 136133387612640. Its totient is φ = 22688808783312.

The previous prime is 68066560078093. The next prime is 68066560078241. The reversal of 68066560078122 is 22187006566086.

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, 7756353 + ... + 14010500.

It is an arithmetic number, because the mean of its divisors is an integer number (8508336725790).

Almost surely, 2^{68066560078122} is an apocalyptic number.

68066560078122 is an abundant number, since it is smaller than the sum of its proper divisors (68066827534518).

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

68066560078122 is a wasteful number, since it uses less digits than its factorization.

68066560078122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22288037.

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 68066560078122 in words is "sixty-eight trillion, sixty-six billion, five hundred sixty million, seventy-eight thousand, one hundred twenty-two".