520666050616 has 32 divisors (see below), whose sum is σ = 988363036800. Its totient is φ = 257109360640.

The previous prime is 520666050599. The next prime is 520666050617. The reversal of 520666050616 is 616050666025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520666050617) by changing a digit.

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, 190776 + ... + 1038136.

It is an arithmetic number, because the mean of its divisors is an integer number (30886344900).

Almost surely, 2^520666050616 is an apocalyptic number.

It is an amenable number.

520666050616 is a deficient number, since it is larger than the sum of its proper divisors (467696986184).

520666050616 is a wasteful number, since it uses less digits than its factorization.

520666050616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848319 (or 848315 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 520666050616 in words is "five hundred twenty billion, six hundred sixty-six million, fifty thousand, six hundred sixteen".