16565321376010 has 32 divisors (see below), whose sum is σ = 34240281508800. Its totient is φ = 5706713583360.

The previous prime is 16565321375983. The next prime is 16565321376011. The reversal of 16565321376010 is 1067312356561.

It is not an unprimeable number, because it can be changed into a prime (16565321376011) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3962993455 + ... + 3962997634.

It is an arithmetic number, because the mean of its divisors is an integer number (1070008797150).

Almost surely, 2^{16565321376010} is an apocalyptic number.

16565321376010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16565321376010 is an abundant number, since it is smaller than the sum of its proper divisors (17674960132790).

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

16565321376010 is a wasteful number, since it uses less digits than its factorization.

16565321376010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7925991126.

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 16565321376010 in words is "sixteen trillion, five hundred sixty-five billion, three hundred twenty-one million, three hundred seventy-six thousand, ten".