340436668171 has 4 divisors (see below), whose sum is σ = 360462354552. Its totient is φ = 320410981792.

The previous prime is 340436668151. The next prime is 340436668189. The reversal of 340436668171 is 171866634043.

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 340436668171 - 2¹¹ = 340436666123 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340436668151) 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, 10012843165 + ... + 10012843198.

It is an arithmetic number, because the mean of its divisors is an integer number (90115588638).

Almost surely, 2^340436668171 is an apocalyptic number.

340436668171 is a deficient number, since it is larger than the sum of its proper divisors (20025686381).

340436668171 is a wasteful number, since it uses less digits than its factorization.

340436668171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20025686380.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 340436668171 in words is "three hundred forty billion, four hundred thirty-six million, six hundred sixty-eight thousand, one hundred seventy-one".