5201645652 has 144 divisors (see below), whose sum is σ = 15940229760. Its totient is φ = 1396187136.

The previous prime is 5201645633. The next prime is 5201645723. The reversal of 5201645652 is 2565461025.

5201645652 is a `hidden beast` number, since 5 + 2 + 0 + 1 + 645 + 6 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3979183 + ... + 3980489.

It is an arithmetic number, because the mean of its divisors is an integer number (110696040).

Almost surely, 2^5201645652 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 5201645652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7970114880).

5201645652 is an abundant number, since it is smaller than the sum of its proper divisors (10738584108).

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

5201645652 is a wasteful number, since it uses less digits than its factorization.

5201645652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270 (or 2265 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 5201645652 is about 72122.4351502360. The cubic root of 5201645652 is about 1732.6609514206.

The spelling of 5201645652 in words is "five billion, two hundred one million, six hundred forty-five thousand, six hundred fifty-two".