16213223456560 has 80 divisors (see below), whose sum is σ = 40596320106720. Its totient is φ = 5986287820800.

The previous prime is 16213223456537. The next prime is 16213223456561. The reversal of 16213223456560 is 6565432231261.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×16213223456560² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16213223456560.

It is not an unprimeable number, because it can be changed into a prime (16213223456561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55065735 + ... + 55359385.

It is an arithmetic number, because the mean of its divisors is an integer number (507454001334).

Almost surely, 2^{16213223456560} is an apocalyptic number.

16213223456560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16213223456560 is an abundant number, since it is smaller than the sum of its proper divisors (24383096650160).

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

16213223456560 is a wasteful number, since it uses less digits than its factorization.

16213223456560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346766 (or 346760 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 16213223456560 in words is "sixteen trillion, two hundred thirteen billion, two hundred twenty-three million, four hundred fifty-six thousand, five hundred sixty".