16340434411 has 4 divisors (see below), whose sum is σ = 18674782192. Its totient is φ = 14006086632.

The previous prime is 16340434403. The next prime is 16340434477. The reversal of 16340434411 is 11443404361.

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 16340434411 - 2³ = 16340434403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16340414411) 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, 1167173880 + ... + 1167173893.

It is an arithmetic number, because the mean of its divisors is an integer number (4668695548).

Almost surely, 2^16340434411 is an apocalyptic number.

16340434411 is a deficient number, since it is larger than the sum of its proper divisors (2334347781).

16340434411 is an equidigital number, since it uses as much as digits as its factorization.

16340434411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334347780.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 16340434411 its reverse (11443404361), we get a palindrome (27783838772).

The spelling of 16340434411 in words is "sixteen billion, three hundred forty million, four hundred thirty-four thousand, four hundred eleven".