16845054861 has 16 divisors (see below), whose sum is σ = 23186650304. Its totient is φ = 10869894144.

The previous prime is 16845054817. The next prime is 16845054907.

16845054861 is nontrivially palindromic in base 10.

16845054861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16845054861 - 2⁶ = 16845054797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16845054861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16845034861) 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, 371731 + ... + 414576.

It is an arithmetic number, because the mean of its divisors is an integer number (1449165644).

Almost surely, 2^16845054861 is an apocalyptic number.

It is an amenable number.

16845054861 is a deficient number, since it is larger than the sum of its proper divisors (6341595443).

16845054861 is a wasteful number, since it uses less digits than its factorization.

16845054861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786540.

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 16845054861 in words is "sixteen billion, eight hundred forty-five million, fifty-four thousand, eight hundred sixty-one".