528066806680 has 64 divisors (see below), whose sum is σ = 1360794090240. Its totient is φ = 180663741312.

The previous prime is 528066806677. The next prime is 528066806749. The reversal of 528066806680 is 86608660825.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1888462 + ... + 2149981.

It is an arithmetic number, because the mean of its divisors is an integer number (21262407660).

Almost surely, 2^528066806680 is an apocalyptic number.

It is an amenable number.

528066806680 is an abundant number, since it is smaller than the sum of its proper divisors (832727283560).

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

528066806680 is a wasteful number, since it uses less digits than its factorization.

528066806680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038928 (or 4038924 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 528066806680 in words is "five hundred twenty-eight billion, sixty-six million, eight hundred six thousand, six hundred eighty".