165345600127 has 2 divisors, whose sum is σ = 165345600128. Its totient is φ = 165345600126.

The previous prime is 165345600113. The next prime is 165345600169. The reversal of 165345600127 is 721006543561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165345600127 - 2¹¹ = 165345598079 is a prime.

It is a super-2 number, since 2×165345600127² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 165345600127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165345600227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82672800063 + 82672800064.

It is an arithmetic number, because the mean of its divisors is an integer number (82672800064).

Almost surely, 2^165345600127 is an apocalyptic number.

165345600127 is a deficient number, since it is larger than the sum of its proper divisors (1).

165345600127 is an equidigital number, since it uses as much as digits as its factorization.

165345600127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 165345600127 in words is "one hundred sixty-five billion, three hundred forty-five million, six hundred thousand, one hundred twenty-seven".