6606673920 has 1152 divisors, whose sum is σ = 30663360000. Its totient is φ = 1300561920.

The previous prime is 6606673907. The next prime is 6606673937. The reversal of 6606673920 is 293766066.

6606673920 is a `hidden beast` number, since 6 + 606 + 6 + 7 + 39 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 347719671 + ... + 347719689.

It is an arithmetic number, because the mean of its divisors is an integer number (26617500).

Almost surely, 2^6606673920 is an apocalyptic number.

6606673920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6606673920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15331680000).

6606673920 is an abundant number, since it is smaller than the sum of its proper divisors (24056686080).

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

6606673920 is a wasteful number, since it uses less digits than its factorization.

6606673920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 6606673920 is about 81281.4488059852. The cubic root of 6606673920 is about 1876.4095044264.

The spelling of 6606673920 in words is "six billion, six hundred six million, six hundred seventy-three thousand, nine hundred twenty".