16343811 has 12 divisors (see below), whose sum is σ = 25754040. Its totient is φ = 9905280.

The previous prime is 16343809. The next prime is 16343837. The reversal of 16343811 is 11834361.

16343811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16343811 - 2¹ = 16343809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16343801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82446 + ... + 82643.

It is an arithmetic number, because the mean of its divisors is an integer number (2146170).

Almost surely, 2^16343811 is an apocalyptic number.

16343811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16343811 is a deficient number, since it is larger than the sum of its proper divisors (9410229).

16343811 is a wasteful number, since it uses less digits than its factorization.

16343811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165106 (or 165103 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 16343811 is about 4042.7479515795. The cubic root of 16343811 is about 253.7763288138.

It can be divided in two parts, 1634 and 3811, that added together give a palindrome (5445).

The spelling of 16343811 in words is "sixteen million, three hundred forty-three thousand, eight hundred eleven".