165340220107 has 2 divisors, whose sum is σ = 165340220108. Its totient is φ = 165340220106.

The previous prime is 165340220063. The next prime is 165340220251. The reversal of 165340220107 is 701022043561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165340220107 - 2²³ = 165331831499 is a prime.

It is not a weakly prime, because it can be changed into another prime (165340020107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82670110053 + 82670110054.

It is an arithmetic number, because the mean of its divisors is an integer number (82670110054).

Almost surely, 2^165340220107 is an apocalyptic number.

165340220107 is a deficient number, since it is larger than the sum of its proper divisors (1).

165340220107 is an equidigital number, since it uses as much as digits as its factorization.

165340220107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 165340220107 its reverse (701022043561), we get a palindrome (866362263668).

The spelling of 165340220107 in words is "one hundred sixty-five billion, three hundred forty million, two hundred twenty thousand, one hundred seven".