51683717168 has 10 divisors (see below), whose sum is σ = 100137202044. Its totient is φ = 25841858576.

The previous prime is 51683717131. The next prime is 51683717171. The reversal of 51683717168 is 86171738615.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615116146 + ... + 1615116177.

Almost surely, 2^51683717168 is an apocalyptic number.

It is an amenable number.

51683717168 is a deficient number, since it is larger than the sum of its proper divisors (48453484876).

51683717168 is a wasteful number, since it uses less digits than its factorization.

51683717168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230232331 (or 3230232325 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 53.

The spelling of 51683717168 in words is "fifty-one billion, six hundred eighty-three million, seven hundred seventeen thousand, one hundred sixty-eight".