165473366217 has 16 divisors (see below), whose sum is σ = 231863797440. Its totient is φ = 104837931072.

The previous prime is 165473366207. The next prime is 165473366243. The reversal of 165473366217 is 712663374561.

165473366217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 165473366217 - 2⁶ = 165473366153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165473366217.

It is not an unprimeable number, because it can be changed into a prime (165473366207) 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 in 15 ways as a sum of consecutive naturals, for example, 17329542 + ... + 17339087.

It is an arithmetic number, because the mean of its divisors is an integer number (14491487340).

Almost surely, 2^165473366217 is an apocalyptic number.

It is an amenable number.

165473366217 is a deficient number, since it is larger than the sum of its proper divisors (66390431223).

165473366217 is a wasteful number, since it uses less digits than its factorization.

165473366217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34668712.

The product of its digits is 3810240, while the sum is 51.

The spelling of 165473366217 in words is "one hundred sixty-five billion, four hundred seventy-three million, three hundred sixty-six thousand, two hundred seventeen".