652209497671536 has 960 divisors, whose sum is σ = 2292275234995200. Its totient is φ = 179309040906240.

The previous prime is 652209497671531. The next prime is 652209497671547. The reversal of 652209497671536 is 635176794902256.

652209497671536 is a `hidden beast` number, since 6 + 5 + 2 + 20 + 9 + 4 + 9 + 7 + 67 + 1 + 536 = 666.

652209497671536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652209497671531) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3991335211 + ... + 3991498613.

It is an arithmetic number, because the mean of its divisors is an integer number (2387786703120).

Almost surely, 2^{652209497671536} 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 652209497671536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1146137617497600).

652209497671536 is an abundant number, since it is smaller than the sum of its proper divisors (1640065737323664).

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

652209497671536 is a wasteful number, since it uses less digits than its factorization.

652209497671536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163561 (or 163529 counting only the distinct ones).

The product of its (nonzero) digits is 1028764800, while the sum is 72.

The spelling of 652209497671536 in words is "six hundred fifty-two trillion, two hundred nine billion, four hundred ninety-seven million, six hundred seventy-one thousand, five hundred thirty-six".