51066653516 has 12 divisors (see below), whose sum is σ = 89369141232. Its totient is φ = 25532613168.

The previous prime is 51066653483. The next prime is 51066653543. The reversal of 51066653516 is 61535666015.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3146 + ... + 319598.

It is an arithmetic number, because the mean of its divisors is an integer number (7447428436).

Almost surely, 2^51066653516 is an apocalyptic number.

It is an amenable number.

51066653516 is a deficient number, since it is larger than the sum of its proper divisors (38302487716).

51066653516 is a wasteful number, since it uses less digits than its factorization.

51066653516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356800 (or 356798 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 44.

The spelling of 51066653516 in words is "fifty-one billion, sixty-six million, six hundred fifty-three thousand, five hundred sixteen".