51630312144366 has 24 divisors (see below), whose sum is σ = 112719612778344. Its totient is φ = 17078729207280.

The previous prime is 51630312144293. The next prime is 51630312144377. The reversal of 51630312144366 is 66344121303615.

51630312144366 is a `hidden beast` number, since 5 + 1 + 630 + 3 + 1 + 2 + 1 + 4 + 4 + 3 + 6 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10947900981 + ... + 10947905696.

It is an arithmetic number, because the mean of its divisors is an integer number (4696650532431).

Almost surely, 2^{51630312144366} is an apocalyptic number.

51630312144366 is an abundant number, since it is smaller than the sum of its proper divisors (61089300633978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51630312144366 is a wasteful number, since it uses less digits than its factorization.

51630312144366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21895806816 (or 21895806813 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 51630312144366 in words is "fifty-one trillion, six hundred thirty billion, three hundred twelve million, one hundred forty-four thousand, three hundred sixty-six".