51671841736 has 32 divisors (see below), whose sum is σ = 99668413440. Its totient is φ = 25101624448.

The previous prime is 51671841671. The next prime is 51671841737. The reversal of 51671841736 is 63714817615.

51671841736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51671841736.

It is not an unprimeable number, because it can be changed into a prime (51671841737) 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, 450040 + ... + 553063.

It is an arithmetic number, because the mean of its divisors is an integer number (3114637920).

Almost surely, 2^51671841736 is an apocalyptic number.

It is an amenable number.

51671841736 is a deficient number, since it is larger than the sum of its proper divisors (47996571704).

51671841736 is a wasteful number, since it uses less digits than its factorization.

51671841736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003293 (or 1003289 counting only the distinct ones).

The product of its digits is 846720, while the sum is 49.

The spelling of 51671841736 in words is "fifty-one billion, six hundred seventy-one million, eight hundred forty-one thousand, seven hundred thirty-six".