51830766128 has 20 divisors (see below), whose sum is σ = 100436097720. Its totient is φ = 25911773184.

The previous prime is 51830766103. The next prime is 51830766137. The reversal of 51830766128 is 82166703815.

It is a super-2 number, since 2×51830766128² (a number of 22 digits) contains 22 as substring.

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, 105218 + ... + 338721.

It is an arithmetic number, because the mean of its divisors is an integer number (5021804886).

Almost surely, 2^51830766128 is an apocalyptic number.

It is an amenable number.

51830766128 is a deficient number, since it is larger than the sum of its proper divisors (48605331592).

51830766128 is a wasteful number, since it uses less digits than its factorization.

51830766128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451244 (or 451238 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 51830766128 in words is "fifty-one billion, eight hundred thirty million, seven hundred sixty-six thousand, one hundred twenty-eight".