3605621006620 has 48 divisors (see below), whose sum is σ = 7673278223520. Its totient is φ = 1422989410304.

The previous prime is 3605621006497. The next prime is 3605621006633. The reversal of 3605621006620 is 266001265063.

It is a self number, because there is not a number n which added to its sum of digits gives 3605621006620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1337509 + ... + 3000028.

It is an arithmetic number, because the mean of its divisors is an integer number (159859962990).

Almost surely, 2^{3605621006620} is an apocalyptic number.

It is an amenable number.

3605621006620 is an abundant number, since it is smaller than the sum of its proper divisors (4067657216900).

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

3605621006620 is a wasteful number, since it uses less digits than its factorization.

3605621006620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4338102 (or 4338100 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 3605621006620 in words is "three trillion, six hundred five billion, six hundred twenty-one million, six thousand, six hundred twenty".