50616666064 has 40 divisors (see below), whose sum is σ = 103247360000. Its totient is φ = 23972599296.

The previous prime is 50616666017. The next prime is 50616666073. The reversal of 50616666064 is 46066661605.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3884392 + ... + 3897400.

It is an arithmetic number, because the mean of its divisors is an integer number (2581184000).

Almost surely, 2^50616666064 is an apocalyptic number.

It is an amenable number.

50616666064 is an abundant number, since it is smaller than the sum of its proper divisors (52630693936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50616666064 is a wasteful number, since it uses less digits than its factorization.

50616666064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25835 (or 25829 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 50616666064 in words is "fifty billion, six hundred sixteen million, six hundred sixty-six thousand, sixty-four".