16545054477331 has 16 divisors (see below), whose sum is σ = 16648962048000. Its totient is φ = 16441341396480.

The previous prime is 16545054477317. The next prime is 16545054477359. The reversal of 16545054477331 is 13377445054561.

It is a cyclic number.

It is not a de Polignac number, because 16545054477331 - 2⁵ = 16545054477299 is a prime.

It is a super-2 number, since 2×16545054477331² (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 (16545054477031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1838539170 + ... + 1838548168.

It is an arithmetic number, because the mean of its divisors is an integer number (1040560128000).

Almost surely, 2^{16545054477331} is an apocalyptic number.

16545054477331 is a deficient number, since it is larger than the sum of its proper divisors (103907570669).

16545054477331 is a wasteful number, since it uses less digits than its factorization.

16545054477331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18546.

The product of its (nonzero) digits is 21168000, while the sum is 55.

The spelling of 16545054477331 in words is "sixteen trillion, five hundred forty-five billion, fifty-four million, four hundred seventy-seven thousand, three hundred thirty-one".