16545230198 has 16 divisors (see below), whose sum is σ = 28375341984. Its totient is φ = 7087790400.

The previous prime is 16545230173. The next prime is 16545230201. The reversal of 16545230198 is 89103254561.

It is a happy number.

It is a super-2 number, since 2×16545230198² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 217703 + ... + 283698.

It is an arithmetic number, because the mean of its divisors is an integer number (1773458874).

Almost surely, 2^16545230198 is an apocalyptic number.

16545230198 is a deficient number, since it is larger than the sum of its proper divisors (11830111786).

16545230198 is a wasteful number, since it uses less digits than its factorization.

16545230198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503767.

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 16545230198 in words is "sixteen billion, five hundred forty-five million, two hundred thirty thousand, one hundred ninety-eight".