16546349853 has 18 divisors (see below), whose sum is σ = 26270560862. Its totient is φ = 10028090160.

The previous prime is 16546349821. The next prime is 16546349863. The reversal of 16546349853 is 35894364561.

16546349853 is a `hidden beast` number, since 1 + 6 + 546 + 3 + 4 + 98 + 5 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10137066489 + 6409283364 = 100683^2 + 80058^2 .

It is not a de Polignac number, because 16546349853 - 2⁵ = 16546349821 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 16546349853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16546349803) 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 17 ways as a sum of consecutive naturals, for example, 7595950 + ... + 7598127.

Almost surely, 2^16546349853 is an apocalyptic number.

It is an amenable number.

16546349853 is a deficient number, since it is larger than the sum of its proper divisors (9724211009).

16546349853 is a wasteful number, since it uses less digits than its factorization.

16546349853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15194105 (or 15194091 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The spelling of 16546349853 in words is "sixteen billion, five hundred forty-six million, three hundred forty-nine thousand, eight hundred fifty-three".