16523055224563 has 16 divisors (see below), whose sum is σ = 16710629443200. Its totient is φ = 16336228679680.

The previous prime is 16523055224561. The next prime is 16523055224569. The reversal of 16523055224563 is 36542255032561.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16523055224563 - 2¹ = 16523055224561 is a prime.

It is a super-2 number, since 2×16523055224563² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16523055224561) 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, 173369958 + ... + 173465236.

It is an arithmetic number, because the mean of its divisors is an integer number (1044414340200).

Almost surely, 2^{16523055224563} is an apocalyptic number.

16523055224563 is a deficient number, since it is larger than the sum of its proper divisors (187574218637).

16523055224563 is a wasteful number, since it uses less digits than its factorization.

16523055224563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99182.

The product of its (nonzero) digits is 6480000, while the sum is 49.

The spelling of 16523055224563 in words is "sixteen trillion, five hundred twenty-three billion, fifty-five million, two hundred twenty-four thousand, five hundred sixty-three".