51313050366164 has 24 divisors (see below), whose sum is σ = 90938816640000. Its totient is φ = 25330562019360.

The previous prime is 51313050366139. The next prime is 51313050366167. The reversal of 51313050366164 is 46166305031315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51313050366167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2879837 + ... + 10531835.

It is an arithmetic number, because the mean of its divisors is an integer number (3789117360000).

Almost surely, 2^{51313050366164} is an apocalyptic number.

It is an amenable number.

51313050366164 is a deficient number, since it is larger than the sum of its proper divisors (39625766273836).

51313050366164 is a wasteful number, since it uses less digits than its factorization.

51313050366164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7673303 (or 7673301 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 44.

Adding to 51313050366164 its reverse (46166305031315), we get a palindrome (97479355397479).

The spelling of 51313050366164 in words is "fifty-one trillion, three hundred thirteen billion, fifty million, three hundred sixty-six thousand, one hundred sixty-four".