6600165000 has 640 divisors, whose sum is σ = 25790244480. Its totient is φ = 1382400000.

The previous prime is 6600164999. The next prime is 6600165037. The reversal of 6600165000 is 5610066.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 36464910 + ... + 36465090.

It is an arithmetic number, because the mean of its divisors is an integer number (40297257).

Almost surely, 2^6600165000 is an apocalyptic number.

6600165000 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 6600165000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12895122240).

6600165000 is an abundant number, since it is smaller than the sum of its proper divisors (19190079480).

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

6600165000 is a wasteful number, since it uses less digits than its factorization.

6600165000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 6600165000 is about 81241.3995448134. The cubic root of 6600165000 is about 1875.7930867154.

Adding to 6600165000 its reverse (5610066), we get a palindrome (6605775066).

It can be divided in two parts, 6600 and 165000, that multiplied together give a square (1089000000 = 33000²).

The spelling of 6600165000 in words is "six billion, six hundred million, one hundred sixty-five thousand".