3666322765824 has 96 divisors (see below), whose sum is σ = 10288920096000. Its totient is φ = 1157786099712.

The previous prime is 3666322765771. The next prime is 3666322765883. The reversal of 3666322765824 is 4285672236663.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15586744 + ... + 15820215.

It is an arithmetic number, because the mean of its divisors is an integer number (107176251000).

Almost surely, 2^{3666322765824} is an apocalyptic number.

It is an amenable number.

3666322765824 is an abundant number, since it is smaller than the sum of its proper divisors (6622597330176).

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

3666322765824 is a wasteful number, since it uses less digits than its factorization.

3666322765824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31407003 (or 31406983 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 60.

The spelling of 3666322765824 in words is "three trillion, six hundred sixty-six billion, three hundred twenty-two million, seven hundred sixty-five thousand, eight hundred twenty-four".