3616646561364 has 96 divisors (see below), whose sum is σ = 8850674407680. Its totient is φ = 1147262358528.

The previous prime is 3616646561327. The next prime is 3616646561389. The reversal of 3616646561364 is 4631656466163.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54387624 + ... + 54454080.

It is an arithmetic number, because the mean of its divisors is an integer number (92194525080).

Almost surely, 2^{3616646561364} 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 3616646561364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4425337203840).

3616646561364 is an abundant number, since it is smaller than the sum of its proper divisors (5234027846316).

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

3616646561364 is a wasteful number, since it uses less digits than its factorization.

3616646561364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67489 (or 67487 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 57.

The spelling of 3616646561364 in words is "three trillion, six hundred sixteen billion, six hundred forty-six million, five hundred sixty-one thousand, three hundred sixty-four".