51916674117 has 32 divisors (see below), whose sum is σ = 87931422720. Its totient is φ = 26460832320.

The previous prime is 51916674109. The next prime is 51916674157. The reversal of 51916674117 is 71147661915.

It is not a de Polignac number, because 51916674117 - 2³ = 51916674109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51916674107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2108017 + ... + 2132502.

It is an arithmetic number, because the mean of its divisors is an integer number (2747856960).

Almost surely, 2^51916674117 is an apocalyptic number.

It is an amenable number.

51916674117 is a deficient number, since it is larger than the sum of its proper divisors (36014748603).

51916674117 is a wasteful number, since it uses less digits than its factorization.

51916674117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240593.

The product of its digits is 317520, while the sum is 48.

The spelling of 51916674117 in words is "fifty-one billion, nine hundred sixteen million, six hundred seventy-four thousand, one hundred seventeen".