42680163 has 4 divisors (see below), whose sum is σ = 56906888. Its totient is φ = 28453440.

The previous prime is 42680161. The next prime is 42680167. The reversal of 42680163 is 36108624.

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

It is not a de Polignac number, because 42680163 - 2¹ = 42680161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42680163.

It is not an unprimeable number, because it can be changed into a prime (42680161) 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, 7113358 + ... + 7113363.

It is an arithmetic number, because the mean of its divisors is an integer number (14226722).

Almost surely, 2^42680163 is an apocalyptic number.

42680163 is a deficient number, since it is larger than the sum of its proper divisors (14226725).

42680163 is a wasteful number, since it uses less digits than its factorization.

42680163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14226724.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 42680163 is about 6533.0056635518. The cubic root of 42680163 is about 349.4690261764.

Adding to 42680163 its reverse (36108624), we get a palindrome (78788787).

The spelling of 42680163 in words is "forty-two million, six hundred eighty thousand, one hundred sixty-three".