165336827 has 2 divisors, whose sum is σ = 165336828. Its totient is φ = 165336826.

The previous prime is 165336797. The next prime is 165336833. The reversal of 165336827 is 728633561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 165336827 - 2⁸ = 165336571 is a prime.

It is not a weakly prime, because it can be changed into another prime (165336877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82668413 + 82668414.

It is an arithmetic number, because the mean of its divisors is an integer number (82668414).

Almost surely, 2^165336827 is an apocalyptic number.

165336827 is a deficient number, since it is larger than the sum of its proper divisors (1).

165336827 is an equidigital number, since it uses as much as digits as its factorization.

165336827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 41.

The square root of 165336827 is about 12858.3368675735. The cubic root of 165336827 is about 548.8536199423.

The spelling of 165336827 in words is "one hundred sixty-five million, three hundred thirty-six thousand, eight hundred twenty-seven".