528987493664 has 144 divisors (see below), whose sum is σ = 1294734303072. Its totient is φ = 211377825792.

The previous prime is 528987493649. The next prime is 528987493759. The reversal of 528987493664 is 466394789825.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2759459 + ... + 2944925.

It is an arithmetic number, because the mean of its divisors is an integer number (8991210438).

Almost surely, 2^528987493664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 528987493664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647367151536).

528987493664 is an abundant number, since it is smaller than the sum of its proper divisors (765746809408).

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

528987493664 is a wasteful number, since it uses less digits than its factorization.

528987493664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185615 (or 185600 counting only the distinct ones).

The product of its digits is 627056640, while the sum is 71.

The spelling of 528987493664 in words is "five hundred twenty-eight billion, nine hundred eighty-seven million, four hundred ninety-three thousand, six hundred sixty-four".