5643606528 has 160 divisors (see below), whose sum is σ = 19092289920. Its totient is φ = 1612431360.

The previous prime is 5643606523. The next prime is 5643606533. The reversal of 5643606528 is 8256063465.

5643606528 is a `hidden beast` number, since 5 + 64 + 3 + 60 + 6 + 528 = 666.

It is an interprime number because it is at equal distance from previous prime (5643606523) and next prime (5643606533).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5643606523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67608 + ... + 125928.

It is an arithmetic number, because the mean of its divisors is an integer number (119326812).

Almost surely, 2^5643606528 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 5643606528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9546144960).

5643606528 is an abundant number, since it is smaller than the sum of its proper divisors (13448683392).

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

5643606528 is an equidigital number, since it uses as much as digits as its factorization.

5643606528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58355 (or 58333 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The square root of 5643606528 is about 75123.9411106739. The cubic root of 5643606528 is about 1780.4054254722.

It can be divided in two parts, 5643 and 606528, that added together give a triangular number (612171 = T₁₁₀₆).

The spelling of 5643606528 in words is "five billion, six hundred forty-three million, six hundred six thousand, five hundred twenty-eight".