51066500116 has 6 divisors (see below), whose sum is σ = 89366375210. Its totient is φ = 25533250056.

The previous prime is 51066500083. The next prime is 51066500119. The reversal of 51066500116 is 61100566015.

It can be written as a sum of positive squares in only one way, i.e., 45794288016 + 5272212100 = 213996^2 + 72610^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51066500119) 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 as a sum of consecutive naturals, namely, 6383312511 + ... + 6383312518.

Almost surely, 2^51066500116 is an apocalyptic number.

It is an amenable number.

51066500116 is a deficient number, since it is larger than the sum of its proper divisors (38299875094).

51066500116 is a wasteful number, since it uses less digits than its factorization.

51066500116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12766625033 (or 12766625031 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 51066500116 in words is "fifty-one billion, sixty-six million, five hundred thousand, one hundred sixteen".