36605321536 has 112 divisors (see below), whose sum is σ = 88543034496. Its totient is φ = 14656978944.

The previous prime is 36605321527. The next prime is 36605321573. The reversal of 36605321536 is 63512350663.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

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 15 ways as a sum of consecutive naturals, for example, 1025851 + ... + 1060933.

It is an arithmetic number, because the mean of its divisors is an integer number (790562808).

Almost surely, 2^36605321536 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 36605321536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44271517248).

36605321536 is an abundant number, since it is smaller than the sum of its proper divisors (51937712960).

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

36605321536 is a wasteful number, since it uses less digits than its factorization.

36605321536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35256 (or 35246 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 40.

The spelling of 36605321536 in words is "thirty-six billion, six hundred five million, three hundred twenty-one thousand, five hundred thirty-six".