16195243 has 4 divisors (see below), whose sum is σ = 16899408. Its totient is φ = 15491080.

The previous prime is 16195229. The next prime is 16195247. The reversal of 16195243 is 34259161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16195243 - 2⁵ = 16195211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16195247) 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, 352048 + ... + 352093.

It is an arithmetic number, because the mean of its divisors is an integer number (4224852).

Almost surely, 2^16195243 is an apocalyptic number.

16195243 is a deficient number, since it is larger than the sum of its proper divisors (704165).

16195243 is an equidigital number, since it uses as much as digits as its factorization.

16195243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704164.

The product of its digits is 6480, while the sum is 31.

The square root of 16195243 is about 4024.3313730358. The cubic root of 16195243 is about 253.0050304426.

The spelling of 16195243 in words is "sixteen million, one hundred ninety-five thousand, two hundred forty-three".