6667348820 has 96 divisors (see below), whose sum is σ = 15861484800. Its totient is φ = 2331929600.

The previous prime is 6667348811. The next prime is 6667348841. The reversal of 6667348820 is 288437666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1790921 + ... + 1794639.

It is an arithmetic number, because the mean of its divisors is an integer number (165223800).

Almost surely, 2^6667348820 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 6667348820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7930742400).

6667348820 is an abundant number, since it is smaller than the sum of its proper divisors (9194135980).

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

6667348820 is a wasteful number, since it uses less digits than its factorization.

6667348820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4049 (or 4047 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 50.

The square root of 6667348820 is about 81653.8353049016. The cubic root of 6667348820 is about 1882.1362486591.

The spelling of 6667348820 in words is "six billion, six hundred sixty-seven million, three hundred forty-eight thousand, eight hundred twenty".