17020665162671 has 4 divisors (see below), whose sum is σ = 17027337319344. Its totient is φ = 17013993006000.

The previous prime is 17020665162647. The next prime is 17020665162713. The reversal of 17020665162671 is 17626156602071.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17020665162671 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 (17020665162601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3336074510 + ... + 3336079611.

It is an arithmetic number, because the mean of its divisors is an integer number (4256834329836).

Almost surely, 2^{17020665162671} is an apocalyptic number.

17020665162671 is a deficient number, since it is larger than the sum of its proper divisors (6672156673).

17020665162671 is an equidigital number, since it uses as much as digits as its factorization.

17020665162671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6672156672.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 17020665162671 in words is "seventeen trillion, twenty billion, six hundred sixty-five million, one hundred sixty-two thousand, six hundred seventy-one".