1660608000 has 480 divisors, whose sum is σ = 6338835360. Its totient is φ = 428544000.

The previous prime is 1660607959. The next prime is 1660608011. The reversal of 1660608000 is 8060661.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53567985 + ... + 53568015.

It is an arithmetic number, because the mean of its divisors is an integer number (13205907).

Almost surely, 2^1660608000 is an apocalyptic number.

1660608000 is a gapful number since it is divisible by the number (10) 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 1660608000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3169417680).

1660608000 is an abundant number, since it is smaller than the sum of its proper divisors (4678227360).

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

1660608000 is an frugal number, since it uses more digits than its factorization.

1660608000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1660608000 is about 40750.5582783844. The cubic root of 1660608000 is about 1184.1926883863.

Adding to 1660608000 its reverse (8060661), we get a palindrome (1668668661).

The spelling of 1660608000 in words is "one billion, six hundred sixty million, six hundred eight thousand".