16545572220333 has 16 divisors (see below), whose sum is σ = 23758623657216. Its totient is φ = 10181513912640.

The previous prime is 16545572220301. The next prime is 16545572220341. The reversal of 16545572220333 is 33302227554561.

It is not a de Polignac number, because 16545572220333 - 2⁵ = 16545572220301 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545572220733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6778053 + ... + 8890058.

It is an arithmetic number, because the mean of its divisors is an integer number (1484913978576).

Almost surely, 2^{16545572220333} is an apocalyptic number.

16545572220333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16545572220333 is a deficient number, since it is larger than the sum of its proper divisors (7213051436883).

16545572220333 is a wasteful number, since it uses less digits than its factorization.

16545572220333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15695204.

The product of its (nonzero) digits is 4536000, while the sum is 48.

Adding to 16545572220333 its reverse (33302227554561), we get a palindrome (49847799774894).

The spelling of 16545572220333 in words is "sixteen trillion, five hundred forty-five billion, five hundred seventy-two million, two hundred twenty thousand, three hundred thirty-three".