165270863 has 2 divisors, whose sum is σ = 165270864. Its totient is φ = 165270862.

The previous prime is 165270857. The next prime is 165270869. The reversal of 165270863 is 368072561.

It is a balanced prime because it is at equal distance from previous prime (165270857) and next prime (165270869).

It is a cyclic number.

It is not a de Polignac number, because 165270863 - 2⁶ = 165270799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165270869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82635431 + 82635432.

It is an arithmetic number, because the mean of its divisors is an integer number (82635432).

Almost surely, 2^165270863 is an apocalyptic number.

165270863 is a deficient number, since it is larger than the sum of its proper divisors (1).

165270863 is an equidigital number, since it uses as much as digits as its factorization.

165270863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 165270863 is about 12855.7715832228. The cubic root of 165270863 is about 548.7806186702.

The spelling of 165270863 in words is "one hundred sixty-five million, two hundred seventy thousand, eight hundred sixty-three".