16420927198 has 16 divisors (see below), whose sum is σ = 28086473520. Its totient is φ = 7133072256.

The previous prime is 16420927151. The next prime is 16420927207. The reversal of 16420927198 is 89172902461.

It is a super-2 number, since 2×16420927198² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18575268 + ... + 18576151.

It is an arithmetic number, because the mean of its divisors is an integer number (1755404595).

Almost surely, 2^16420927198 is an apocalyptic number.

16420927198 is a deficient number, since it is larger than the sum of its proper divisors (11665546322).

16420927198 is a wasteful number, since it uses less digits than its factorization.

16420927198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37151451.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 16420927198 in words is "sixteen billion, four hundred twenty million, nine hundred twenty-seven thousand, one hundred ninety-eight".