384662316161 has 4 divisors (see below), whose sum is σ = 384664075524. Its totient is φ = 384660556800.

The previous prime is 384662316127. The next prime is 384662316169. The reversal of 384662316161 is 161613266483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161613266483 = 151 ⋅1070286533.

It can be written as a sum of positive squares in 2 ways, for example, as 263753117761 + 120909198400 = 513569^2 + 347720^2 .

It is a cyclic number.

It is not a de Polignac number, because 384662316161 - 2³⁴ = 367482446977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384662316169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495920 + ... + 1007601.

It is an arithmetic number, because the mean of its divisors is an integer number (96166018881).

Almost surely, 2^384662316161 is an apocalyptic number.

It is an amenable number.

384662316161 is a deficient number, since it is larger than the sum of its proper divisors (1759363).

384662316161 is a wasteful number, since it uses less digits than its factorization.

384662316161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759362.

The product of its digits is 746496, while the sum is 47.

The spelling of 384662316161 in words is "three hundred eighty-four billion, six hundred sixty-two million, three hundred sixteen thousand, one hundred sixty-one".