3656603361 has 16 divisors (see below), whose sum is σ = 4977855680. Its totient is φ = 2387024640.

The previous prime is 3656603351. The next prime is 3656603387. The reversal of 3656603361 is 1633066563.

It is not a de Polignac number, because 3656603361 - 2¹⁰ = 3656602337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3656603351) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29620 + ... + 90501.

It is an arithmetic number, because the mean of its divisors is an integer number (311115980).

Almost surely, 2^3656603361 is an apocalyptic number.

It is an amenable number.

3656603361 is a deficient number, since it is larger than the sum of its proper divisors (1321252319).

3656603361 is a wasteful number, since it uses less digits than its factorization.

3656603361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120336.

The product of its (nonzero) digits is 174960, while the sum is 39.

The square root of 3656603361 is about 60469.8549775010. The cubic root of 3656603361 is about 1540.6096648620.

The spelling of 3656603361 in words is "three billion, six hundred fifty-six million, six hundred three thousand, three hundred sixty-one".