165165005147 has 2 divisors, whose sum is σ = 165165005148. Its totient is φ = 165165005146.

The previous prime is 165165005111. The next prime is 165165005167. The reversal of 165165005147 is 741500561561.

It is a strong prime.

It is an emirp because it is prime and its reverse (741500561561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165165005147 - 2¹⁴ = 165164988763 is a prime.

It is not a weakly prime, because it can be changed into another prime (165165005167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82582502573 + 82582502574.

It is an arithmetic number, because the mean of its divisors is an integer number (82582502574).

Almost surely, 2^165165005147 is an apocalyptic number.

165165005147 is a deficient number, since it is larger than the sum of its proper divisors (1).

165165005147 is an equidigital number, since it uses as much as digits as its factorization.

165165005147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 165165005147 in words is "one hundred sixty-five billion, one hundred sixty-five million, five thousand, one hundred forty-seven".