199546715216 has 20 divisors (see below), whose sum is σ = 386802407124. Its totient is φ = 99726739200.

The previous prime is 199546715191. The next prime is 199546715219. The reversal of 199546715216 is 612517645991.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 95085889600 + 104460825616 = 308360^2 + 323204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199546715219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2878325 + ... + 2946836.

Almost surely, 2^199546715216 is an apocalyptic number.

199546715216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

199546715216 is a deficient number, since it is larger than the sum of its proper divisors (187255691908).

199546715216 is a wasteful number, since it uses less digits than its factorization.

199546715216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5827310 (or 5827304 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 56.

The spelling of 199546715216 in words is "one hundred ninety-nine billion, five hundred forty-six million, seven hundred fifteen thousand, two hundred sixteen".