16223061243 has 16 divisors (see below), whose sum is σ = 21887742240. Its totient is φ = 10687032576.

The previous prime is 16223061241. The next prime is 16223061259. The reversal of 16223061243 is 34216032261.

It is not a de Polignac number, because 16223061243 - 2¹ = 16223061241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16223061243.

It is not an unprimeable number, because it can be changed into a prime (16223061241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418521 + ... + 455637.

It is an arithmetic number, because the mean of its divisors is an integer number (1367983890).

Almost surely, 2^16223061243 is an apocalyptic number.

16223061243 is a deficient number, since it is larger than the sum of its proper divisors (5664680997).

16223061243 is a wasteful number, since it uses less digits than its factorization.

16223061243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38846.

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 16223061243 in words is "sixteen billion, two hundred twenty-three million, sixty-one thousand, two hundred forty-three".