165122208270794 has 32 divisors (see below), whose sum is σ = 255445877788416. Its totient is φ = 80001331562880.

The previous prime is 165122208270791. The next prime is 165122208270797. The reversal of 165122208270794 is 497072802221561.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (165122208270791) and next prime (165122208270797).

It is not an unprimeable number, because it can be changed into a prime (165122208270791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28546979 + ... + 33840425.

It is an arithmetic number, because the mean of its divisors is an integer number (7982683680888).

Almost surely, 2^{165122208270794} is an apocalyptic number.

165122208270794 is a deficient number, since it is larger than the sum of its proper divisors (90323669517622).

165122208270794 is a wasteful number, since it uses less digits than its factorization.

165122208270794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5296070.

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 165122208270794 in words is "one hundred sixty-five trillion, one hundred twenty-two billion, two hundred eight million, two hundred seventy thousand, seven hundred ninety-four".