6323436816 has 80 divisors (see below), whose sum is σ = 17413171200. Its totient is φ = 1971575424.

The previous prime is 6323436803. The next prime is 6323436817. The reversal of 6323436816 is 6186343236.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (6323436817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28165 + ... + 115931.

It is an arithmetic number, because the mean of its divisors is an integer number (217664640).

Almost surely, 2^6323436816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6323436816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8706585600).

6323436816 is an abundant number, since it is smaller than the sum of its proper divisors (11089734384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6323436816 is a wasteful number, since it uses less digits than its factorization.

6323436816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87876 (or 87870 counting only the distinct ones).

The product of its digits is 373248, while the sum is 42.

The square root of 6323436816 is about 79520.0403420421. The cubic root of 6323436816 is about 1849.2021703194.

The spelling of 6323436816 in words is "six billion, three hundred twenty-three million, four hundred thirty-six thousand, eight hundred sixteen".