165065827 has 2 divisors, whose sum is σ = 165065828. Its totient is φ = 165065826.

The previous prime is 165065819. The next prime is 165065861. The reversal of 165065827 is 728560561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165065827 - 2³ = 165065819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165065827.

It is not a weakly prime, because it can be changed into another prime (165066827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82532913 + 82532914.

It is an arithmetic number, because the mean of its divisors is an integer number (82532914).

Almost surely, 2^165065827 is an apocalyptic number.

165065827 is a deficient number, since it is larger than the sum of its proper divisors (1).

165065827 is an equidigital number, since it uses as much as digits as its factorization.

165065827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 165065827 is about 12847.7946356563. The cubic root of 165065827 is about 548.5535846085.

The spelling of 165065827 in words is "one hundred sixty-five million, sixty-five thousand, eight hundred twenty-seven".