6613664316 has 24 divisors (see below), whose sum is σ = 17636438400. Its totient is φ = 1889618352.

The previous prime is 6613664311. The next prime is 6613664327. The reversal of 6613664316 is 6134663166.

It is a Harshad number since it is a multiple of its sum of digits (42).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6613664311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39366966 + ... + 39367133.

It is an arithmetic number, because the mean of its divisors is an integer number (734851600).

Almost surely, 2^6613664316 is an apocalyptic number.

It is an amenable number.

6613664316 is an abundant number, since it is smaller than the sum of its proper divisors (11022774084).

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

6613664316 is a wasteful number, since it uses less digits than its factorization.

6613664316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78734113 (or 78734111 counting only the distinct ones).

The product of its digits is 279936, while the sum is 42.

The square root of 6613664316 is about 81324.4386147239. The cubic root of 6613664316 is about 1877.0710688859.

The spelling of 6613664316 in words is "six billion, six hundred thirteen million, six hundred sixty-four thousand, three hundred sixteen".