3660456016540 has 96 divisors (see below), whose sum is σ = 8271208028160. Its totient is φ = 1357646035200.

The previous prime is 3660456016487. The next prime is 3660456016559. The reversal of 3660456016540 is 456106540663.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1578339 + ... + 3132421.

It is an arithmetic number, because the mean of its divisors is an integer number (86158416960).

Almost surely, 2^{3660456016540} 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 3660456016540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4135604014080).

3660456016540 is an abundant number, since it is smaller than the sum of its proper divisors (4610752011620).

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

3660456016540 is a wasteful number, since it uses less digits than its factorization.

3660456016540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554283 (or 1554281 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 3660456016540 in words is "three trillion, six hundred sixty billion, four hundred fifty-six million, sixteen thousand, five hundred forty".