3661603772424 has 64 divisors (see below), whose sum is σ = 9862033608000. Its totient is φ = 1126205074176.

The previous prime is 3661603772419. The next prime is 3661603772447. The reversal of 3661603772424 is 4242773061663.

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, 1506774 + ... + 3097349.

It is an arithmetic number, because the mean of its divisors is an integer number (154094275125).

Almost surely, 2^{3661603772424} is an apocalyptic number.

It is an amenable number.

3661603772424 is an abundant number, since it is smaller than the sum of its proper divisors (6200429835576).

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

3661603772424 is a wasteful number, since it uses less digits than its factorization.

3661603772424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4606694 (or 4606690 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 51.

The spelling of 3661603772424 in words is "three trillion, six hundred sixty-one billion, six hundred three million, seven hundred seventy-two thousand, four hundred twenty-four".