16543054306 has 4 divisors (see below), whose sum is σ = 24814581462. Its totient is φ = 8271527152.

The previous prime is 16543054291. The next prime is 16543054373. The reversal of 16543054306 is 60345034561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10508095081 + 6034959225 = 102509^2 + 77685^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4135763575 + ... + 4135763578.

Almost surely, 2^16543054306 is an apocalyptic number.

16543054306 is a deficient number, since it is larger than the sum of its proper divisors (8271527156).

16543054306 is an equidigital number, since it uses as much as digits as its factorization.

16543054306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8271527155.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 16543054306 its reverse (60345034561), we get a palindrome (76888088867).

The spelling of 16543054306 in words is "sixteen billion, five hundred forty-three million, fifty-four thousand, three hundred six".