3603652981656 has 768 divisors, whose sum is σ = 11749388451840. Its totient is φ = 900766863360.

The previous prime is 3603652981597. The next prime is 3603652981711. The reversal of 3603652981656 is 6561892563063.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3603652981656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11513268156 + ... + 11513268468.

It is an arithmetic number, because the mean of its divisors is an integer number (15298682880).

Almost surely, 2^{3603652981656} 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 3603652981656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5874694225920).

3603652981656 is an abundant number, since it is smaller than the sum of its proper divisors (8145735470184).

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

3603652981656 is a wasteful number, since it uses less digits than its factorization.

3603652981656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 60.

The spelling of 3603652981656 in words is "three trillion, six hundred three billion, six hundred fifty-two million, nine hundred eighty-one thousand, six hundred fifty-six".