165017327055703 has 16 divisors (see below), whose sum is σ = 165594785821920. Its totient is φ = 164440410172416.

The previous prime is 165017327055667. The next prime is 165017327055709. The reversal of 165017327055703 is 307550723710561.

It is a cyclic number.

It is not a de Polignac number, because 165017327055703 - 2¹³ = 165017327047511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165017327055709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7194361251 + ... + 7194384187.

It is an arithmetic number, because the mean of its divisors is an integer number (10349674113870).

Almost surely, 2^{165017327055703} is an apocalyptic number.

165017327055703 is a deficient number, since it is larger than the sum of its proper divisors (577458766217).

165017327055703 is a wasteful number, since it uses less digits than its factorization.

165017327055703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33666.

The product of its (nonzero) digits is 4630500, while the sum is 52.

The spelling of 165017327055703 in words is "one hundred sixty-five trillion, seventeen billion, three hundred twenty-seven million, fifty-five thousand, seven hundred three".