16565365322732 has 12 divisors (see below), whose sum is σ = 28989477753600. Its totient is φ = 8282657393136.

The previous prime is 16565365322717. The next prime is 16565365322773. The reversal of 16565365322732 is 23722356356561.

It is a super-2 number, since 2×16565365322732² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4801607 + ... + 7495742.

It is an arithmetic number, because the mean of its divisors is an integer number (2415789812800).

Almost surely, 2^{16565365322732} is an apocalyptic number.

It is an amenable number.

16565365322732 is a deficient number, since it is larger than the sum of its proper divisors (12424112430868).

16565365322732 is a wasteful number, since it uses less digits than its factorization.

16565365322732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12634120 (or 12634118 counting only the distinct ones).

The product of its digits is 40824000, while the sum is 56.

The spelling of 16565365322732 in words is "sixteen trillion, five hundred sixty-five billion, three hundred sixty-five million, three hundred twenty-two thousand, seven hundred thirty-two".