6699549996 has 108 divisors (see below), whose sum is σ = 17605604016. Its totient is φ = 2147987520.

The previous prime is 6699549979. The next prime is 6699550007. The reversal of 6699549996 is 6999459966.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6814921 + ... + 6815903.

It is an arithmetic number, because the mean of its divisors is an integer number (163014852).

Almost surely, 2^6699549996 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 6699549996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8802802008).

6699549996 is an abundant number, since it is smaller than the sum of its proper divisors (10906054020).

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

6699549996 is a wasteful number, since it uses less digits than its factorization.

6699549996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252 (or 1216 counting only the distinct ones).

The product of its digits is 255091680, while the sum is 72.

The square root of 6699549996 is about 81850.7788356348. The cubic root of 6699549996 is about 1885.1614236494.

The spelling of 6699549996 in words is "six billion, six hundred ninety-nine million, five hundred forty-nine thousand, nine hundred ninety-six".