3660520000 has 70 divisors (see below), whose sum is σ = 9076999118. Its totient is φ = 1464192000.

The previous prime is 3660519997. The next prime is 3660520051. The reversal of 3660520000 is 250663.

It can be written as a sum of positive squares in 5 ways, for example, as 2437199424 + 1223320576 = 49368^2 + 34976^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5757 + ... + 85756.

Almost surely, 2^3660520000 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 3660520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4538499559).

3660520000 is an abundant number, since it is smaller than the sum of its proper divisors (5416479118).

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

3660520000 is an frugal number, since it uses more digits than its factorization.

3660520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91545 (or 91520 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 3660520000 is about 60502.2313638100. The cubic root of 3660520000 is about 1541.1595247739.

Adding to 3660520000 its reverse (250663), we get a palindrome (3660770663).

The spelling of 3660520000 in words is "three billion, six hundred sixty million, five hundred twenty thousand".