51680378174 has 16 divisors (see below), whose sum is σ = 80229175920. Its totient is φ = 24938108160.

The previous prime is 51680378161. The next prime is 51680378179. The reversal of 51680378174 is 47187308615.

It is a super-2 number, since 2×51680378174² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51680378179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64172 + ... + 327839.

It is an arithmetic number, because the mean of its divisors is an integer number (5014323495).

Almost surely, 2^51680378174 is an apocalyptic number.

51680378174 is a deficient number, since it is larger than the sum of its proper divisors (28548797746).

51680378174 is a wasteful number, since it uses less digits than its factorization.

51680378174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394315.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The spelling of 51680378174 in words is "fifty-one billion, six hundred eighty million, three hundred seventy-eight thousand, one hundred seventy-four".