162665212163 has 4 divisors (see below), whose sum is σ = 168274357440. Its totient is φ = 157056066888.

The previous prime is 162665212133. The next prime is 162665212169. The reversal of 162665212163 is 361212566261.

It is a happy number.

162665212163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 162665212163 - 2¹⁶ = 162665146627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 162665212163.

It is not an unprimeable number, because it can be changed into a prime (162665212169) 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 3 ways as a sum of consecutive naturals, for example, 2804572595 + ... + 2804572652.

It is an arithmetic number, because the mean of its divisors is an integer number (42068589360).

Almost surely, 2^162665212163 is an apocalyptic number.

162665212163 is a deficient number, since it is larger than the sum of its proper divisors (5609145277).

162665212163 is an equidigital number, since it uses as much as digits as its factorization.

162665212163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5609145276.

The product of its digits is 155520, while the sum is 41.

The spelling of 162665212163 in words is "one hundred sixty-two billion, six hundred sixty-five million, two hundred twelve thousand, one hundred sixty-three".