51050565566666 has 96 divisors (see below), whose sum is σ = 82514369044800. Its totient is φ = 23680708337664.

The previous prime is 51050565566603. The next prime is 51050565566711. The reversal of 51050565566666 is 66666556505015.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51050565566599 and 51050565566608.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24321373685 + ... + 24321375783.

It is an arithmetic number, because the mean of its divisors is an integer number (859524677550).

Almost surely, 2^{51050565566666} is an apocalyptic number.

51050565566666 is a deficient number, since it is larger than the sum of its proper divisors (31463803478134).

51050565566666 is a wasteful number, since it uses less digits than its factorization.

51050565566666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768 (or 3751 counting only the distinct ones).

The product of its (nonzero) digits is 145800000, while the sum is 62.

The spelling of 51050565566666 in words is "fifty-one trillion, fifty billion, five hundred sixty-five million, five hundred sixty-six thousand, six hundred sixty-six".