3660549120 has 528 divisors, whose sum is σ = 13833462240. Its totient is φ = 891813888.

The previous prime is 3660549103. The next prime is 3660549121. The reversal of 3660549120 is 219450663.

It is a happy number.

3660549120 is a `hidden beast` number, since 3 + 6 + 605 + 49 + 1 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3660549121) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 32394184 + ... + 32394296.

Almost surely, 2^3660549120 is an apocalyptic number.

3660549120 is a gapful number since it is divisible by the number (30) 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 3660549120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6916731120).

3660549120 is an abundant number, since it is smaller than the sum of its proper divisors (10172913120).

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

3660549120 is a wasteful number, since it uses less digits than its factorization.

3660549120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 3660549120 is about 60502.4720156127. The cubic root of 3660549120 is about 1541.1636114835.

Adding to 3660549120 its reverse (219450663), we get a palindrome (3879999783).

The spelling of 3660549120 in words is "three billion, six hundred sixty million, five hundred forty-nine thousand, one hundred twenty".