165011060971 has 2 divisors, whose sum is σ = 165011060972. Its totient is φ = 165011060970.

The previous prime is 165011060947. The next prime is 165011060993. The reversal of 165011060971 is 179060110561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 165011060971 - 2¹¹ = 165011058923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165011060971.

It is not a weakly prime, because it can be changed into another prime (165011060471) 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 as a sum of consecutive naturals, namely, 82505530485 + 82505530486.

It is an arithmetic number, because the mean of its divisors is an integer number (82505530486).

Almost surely, 2^165011060971 is an apocalyptic number.

165011060971 is a deficient number, since it is larger than the sum of its proper divisors (1).

165011060971 is an equidigital number, since it uses as much as digits as its factorization.

165011060971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 37.

The spelling of 165011060971 in words is "one hundred sixty-five billion, eleven million, sixty thousand, nine hundred seventy-one".