64536524052 has 192 divisors, whose sum is σ = 202578475008. Its totient is φ = 15443136000.

The previous prime is 64536524047. The next prime is 64536524077. The reversal of 64536524052 is 25042563546.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 64536523995 and 64536524013.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 6493527 + ... + 6503457.

It is an arithmetic number, because the mean of its divisors is an integer number (1055096224).

Almost surely, 2^64536524052 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 64536524052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101289237504).

64536524052 is an abundant number, since it is smaller than the sum of its proper divisors (138041950956).

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

64536524052 is a wasteful number, since it uses less digits than its factorization.

64536524052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10510 (or 10508 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 64536524052 in words is "sixty-four billion, five hundred thirty-six million, five hundred twenty-four thousand, fifty-two".