6669531792 has 320 divisors, whose sum is σ = 24517478400. Its totient is φ = 1685214720.

The previous prime is 6669531773. The next prime is 6669531857. The reversal of 6669531792 is 2971359666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1228059 + ... + 1233477.

It is an arithmetic number, because the mean of its divisors is an integer number (76617120).

Almost surely, 2^6669531792 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 6669531792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12258739200).

6669531792 is an abundant number, since it is smaller than the sum of its proper divisors (17847946608).

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

6669531792 is a wasteful number, since it uses less digits than its factorization.

6669531792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5491 (or 5479 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 6669531792 is about 81667.2014458681. The cubic root of 6669531792 is about 1882.3416377633.

The spelling of 6669531792 in words is "six billion, six hundred sixty-nine million, five hundred thirty-one thousand, seven hundred ninety-two".