3555165565516 has 12 divisors (see below), whose sum is σ = 6492041467632. Its totient is φ = 1700296574768.

The previous prime is 3555165565439. The next prime is 3555165565531. The reversal of 3555165565516 is 6155655615553.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 19321551895 + ... + 19321552078.

It is an arithmetic number, because the mean of its divisors is an integer number (541003455636).

Almost surely, 2^{3555165565516} is an apocalyptic number.

It is an amenable number.

3555165565516 is a deficient number, since it is larger than the sum of its proper divisors (2936875902116).

3555165565516 is a wasteful number, since it uses less digits than its factorization.

3555165565516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38643104000 (or 38643103998 counting only the distinct ones).

The product of its digits is 50625000, while the sum is 58.

The spelling of 3555165565516 in words is "three trillion, five hundred fifty-five billion, one hundred sixty-five million, five hundred sixty-five thousand, five hundred sixteen".