36533321664 has 112 divisors (see below), whose sum is σ = 113455630848. Its totient is φ = 10155967488.

The previous prime is 36533321659. The next prime is 36533321723. The reversal of 36533321664 is 46612333563.

It is a happy number.

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

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317604 + ... + 417059.

It is an arithmetic number, because the mean of its divisors is an integer number (1012996704).

Almost surely, 2^36533321664 is an apocalyptic number.

It is an amenable number.

36533321664 is an abundant number, since it is smaller than the sum of its proper divisors (76922309184).

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

36533321664 is a wasteful number, since it uses less digits than its factorization.

36533321664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734722 (or 734712 counting only the distinct ones).

The product of its digits is 699840, while the sum is 42.

The spelling of 36533321664 in words is "thirty-six billion, five hundred thirty-three million, three hundred twenty-one thousand, six hundred sixty-four".