528752664 has 128 divisors (see below), whose sum is σ = 1614816000. Its totient is φ = 158976000.

The previous prime is 528752657. The next prime is 528752713. The reversal of 528752664 is 466257825.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329464 + ... + 331064.

It is an arithmetic number, because the mean of its divisors is an integer number (12615750).

Almost surely, 2^528752664 is an apocalyptic number.

528752664 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 528752664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807408000).

528752664 is an abundant number, since it is smaller than the sum of its proper divisors (1086063336).

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

528752664 is a wasteful number, since it uses less digits than its factorization.

528752664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766 (or 1756 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 528752664 is about 22994.6225017938. The cubic root of 528752664 is about 808.6318742898.

The spelling of 528752664 in words is "five hundred twenty-eight million, seven hundred fifty-two thousand, six hundred sixty-four".