68073063506261 has 64 divisors (see below), whose sum is σ = 79341050880000. Its totient is φ = 57755703559680.

The previous prime is 68073063506257. The next prime is 68073063506297. The reversal of 68073063506261 is 16260536037086.

It is a cyclic number.

It is not a de Polignac number, because 68073063506261 - 2² = 68073063506257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68073063506561) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5397049391 + ... + 5397062003.

It is an arithmetic number, because the mean of its divisors is an integer number (1239703920000).

Almost surely, 2^{68073063506261} is an apocalyptic number.

It is an amenable number.

68073063506261 is a deficient number, since it is larger than the sum of its proper divisors (11267987373739).

68073063506261 is a wasteful number, since it uses less digits than its factorization.

68073063506261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14034.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 68073063506261 in words is "sixty-eight trillion, seventy-three billion, sixty-three million, five hundred six thousand, two hundred sixty-one".