51669706336 has 24 divisors (see below), whose sum is σ = 101730058920. Its totient is φ = 25833500928.

The previous prime is 51669706303. The next prime is 51669706343. The reversal of 51669706336 is 63360796615.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906060 + ... + 961396.

It is an arithmetic number, because the mean of its divisors is an integer number (4238752455).

Almost surely, 2^51669706336 is an apocalyptic number.

It is an amenable number.

51669706336 is a deficient number, since it is larger than the sum of its proper divisors (50060352584).

51669706336 is a wasteful number, since it uses less digits than its factorization.

51669706336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84526 (or 84518 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 52.

The spelling of 51669706336 in words is "fifty-one billion, six hundred sixty-nine million, seven hundred six thousand, three hundred thirty-six".