165792997 has 2 divisors, whose sum is σ = 165792998. Its totient is φ = 165792996.

The previous prime is 165792989. The next prime is 165793037. The reversal of 165792997 is 799297561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91126116 + 74666881 = 9546^2 + 8641^2 .

It is a cyclic number.

It is not a de Polignac number, because 165792997 - 2³ = 165792989 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165793997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82896498 + 82896499.

It is an arithmetic number, because the mean of its divisors is an integer number (82896499).

Almost surely, 2^165792997 is an apocalyptic number.

It is an amenable number.

165792997 is a deficient number, since it is larger than the sum of its proper divisors (1).

165792997 is an equidigital number, since it uses as much as digits as its factorization.

165792997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2143260, while the sum is 55.

The square root of 165792997 is about 12876.0629464134. The cubic root of 165792997 is about 549.3579251079.

The spelling of 165792997 in words is "one hundred sixty-five million, seven hundred ninety-two thousand, nine hundred ninety-seven".