16065165266255 has 16 divisors (see below), whose sum is σ = 22034143548480. Its totient is φ = 11015154876672.

The previous prime is 16065165266243. The next prime is 16065165266273. The reversal of 16065165266255 is 55266256156061.

It is a cyclic number.

It is not a de Polignac number, because 16065165266255 - 2¹⁰ = 16065165265231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16065165266255.

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, 19559540 + ... + 20364329.

It is an arithmetic number, because the mean of its divisors is an integer number (1377133971780).

Almost surely, 2^{16065165266255} is an apocalyptic number.

16065165266255 is a deficient number, since it is larger than the sum of its proper divisors (5968978282225).

16065165266255 is a wasteful number, since it uses less digits than its factorization.

16065165266255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39935378.

The product of its (nonzero) digits is 19440000, while the sum is 56.

The spelling of 16065165266255 in words is "sixteen trillion, sixty-five billion, one hundred sixty-five million, two hundred sixty-six thousand, two hundred fifty-five".