16200243 has 10 divisors (see below), whose sum is σ = 24200484. Its totient is φ = 10800108.

The previous prime is 16200209. The next prime is 16200271. The reversal of 16200243 is 34200261.

It is a happy number.

16200243 is a `hidden beast` number, since 1 + 620 + 0 + 2 + 43 = 666.

It is not a de Polignac number, because 16200243 - 2¹⁰ = 16199219 is a prime.

16200243 is a modest number, since divided by 243 gives 162 as remainder.

It is not an unprimeable number, because it can be changed into a prime (16200203) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 99921 + ... + 100082.

Almost surely, 2^16200243 is an apocalyptic number.

16200243 is a deficient number, since it is larger than the sum of its proper divisors (8000241).

16200243 is an equidigital number, since it uses as much as digits as its factorization.

16200243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200015 (or 200006 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 16200243 is about 4024.9525463041. The cubic root of 16200243 is about 253.0310647332.

Adding to 16200243 its sum of digits (18), we get a palindrome (16200261).

The spelling of 16200243 in words is "sixteen million, two hundred thousand, two hundred forty-three".