528708561696 has 144 divisors (see below), whose sum is σ = 1734986058624. Its totient is φ = 149592932352.

The previous prime is 528708561679. The next prime is 528708561739. The reversal of 528708561696 is 696165807825.

528708561696 is a `hidden beast` number, since 5 + 2 + 8 + 7 + 0 + 8 + 5 + 616 + 9 + 6 = 666.

528708561696 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1065441 + ... + 1480736.

It is an arithmetic number, because the mean of its divisors is an integer number (12048514296).

Almost surely, 2^528708561696 is an apocalyptic number.

528708561696 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

528708561696 is an abundant number, since it is smaller than the sum of its proper divisors (1206277496928).

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

528708561696 is a wasteful number, since it uses less digits than its factorization.

528708561696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546303 (or 2546292 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 63.

The spelling of 528708561696 in words is "five hundred twenty-eight billion, seven hundred eight million, five hundred sixty-one thousand, six hundred ninety-six".