16533343651145 has 16 divisors (see below), whose sum is σ = 19892329997328. Its totient is φ = 13191842442240.

The previous prime is 16533343651109. The next prime is 16533343651147. The reversal of 16533343651145 is 54115634333561.

It can be written as a sum of positive squares in 8 ways, for example, as 277585674496 + 16255757976649 = 526864^2 + 4031843^2 .

It is not a de Polignac number, because 16533343651145 - 2¹⁰ = 16533343650121 is a prime.

It is a super-2 number, since 2×16533343651145² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16533343651093 and 16533343651102.

It is not an unprimeable number, because it can be changed into a prime (16533343651147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10397 + ... + 5750373.

It is an arithmetic number, because the mean of its divisors is an integer number (1243270624833).

Almost surely, 2^{16533343651145} is an apocalyptic number.

It is an amenable number.

16533343651145 is a deficient number, since it is larger than the sum of its proper divisors (3358986346183).

16533343651145 is an equidigital number, since it uses as much as digits as its factorization.

16533343651145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5741500.

The product of its digits is 5832000, while the sum is 50.

The spelling of 16533343651145 in words is "sixteen trillion, five hundred thirty-three billion, three hundred forty-three million, six hundred fifty-one thousand, one hundred forty-five".