16343434263 has 16 divisors (see below), whose sum is σ = 23471815136. Its totient is φ = 10055646720.

The previous prime is 16343434259. The next prime is 16343434321. The reversal of 16343434263 is 36243434361.

It is not a de Polignac number, because 16343434263 - 2² = 16343434259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16343434963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193731 + ... + 264987.

It is an arithmetic number, because the mean of its divisors is an integer number (1466988446).

Almost surely, 2^16343434263 is an apocalyptic number.

16343434263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16343434263 is a deficient number, since it is larger than the sum of its proper divisors (7128380873).

16343434263 is a wasteful number, since it uses less digits than its factorization.

16343434263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77154.

The product of its digits is 373248, while the sum is 39.

The spelling of 16343434263 in words is "sixteen billion, three hundred forty-three million, four hundred thirty-four thousand, two hundred sixty-three".