16545198242 has 8 divisors (see below), whose sum is σ = 24838815132. Its totient is φ = 8265593200.

The previous prime is 16545198239. The next prime is 16545198253. The reversal of 16545198242 is 24289154561.

16545198242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16179585601 + 365612641 = 127199^2 + 19121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3500009 + ... + 3504732.

Almost surely, 2^16545198242 is an apocalyptic number.

16545198242 is a deficient number, since it is larger than the sum of its proper divisors (8293616890).

16545198242 is a wasteful number, since it uses less digits than its factorization.

16545198242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7005924.

The product of its digits is 691200, while the sum is 47.

The spelling of 16545198242 in words is "sixteen billion, five hundred forty-five million, one hundred ninety-eight thousand, two hundred forty-two".