162115565197 has 4 divisors (see below), whose sum is σ = 165174349500. Its totient is φ = 159056780896.

The previous prime is 162115565177. The next prime is 162115565201. The reversal of 162115565197 is 791565511261.

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

It can be written as a sum of positive squares in 2 ways, for example, as 67036459396 + 95079105801 = 258914^2 + 308349^2 .

It is a cyclic number.

It is not a de Polignac number, because 162115565197 - 2¹⁵ = 162115532429 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 162115565197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162115565107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1529392072 + ... + 1529392177.

It is an arithmetic number, because the mean of its divisors is an integer number (41293587375).

Almost surely, 2^162115565197 is an apocalyptic number.

It is an amenable number.

162115565197 is a deficient number, since it is larger than the sum of its proper divisors (3058784303).

162115565197 is an equidigital number, since it uses as much as digits as its factorization.

162115565197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058784302.

The product of its digits is 567000, while the sum is 49.

The spelling of 162115565197 in words is "one hundred sixty-two billion, one hundred fifteen million, five hundred sixty-five thousand, one hundred ninety-seven".