51666329048 has 16 divisors (see below), whose sum is σ = 99127259880. Its totient is φ = 25232393088.

The previous prime is 51666329021. The next prime is 51666329053. The reversal of 51666329048 is 84092366615.

51666329048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51666328987 and 51666329005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75096065 + ... + 75096752.

Almost surely, 2^51666329048 is an apocalyptic number.

It is an amenable number.

51666329048 is a deficient number, since it is larger than the sum of its proper divisors (47460930832).

51666329048 is a wasteful number, since it uses less digits than its factorization.

51666329048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150192866 (or 150192862 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 51666329048 in words is "fifty-one billion, six hundred sixty-six million, three hundred twenty-nine thousand, forty-eight".