162011530165 has 4 divisors (see below), whose sum is σ = 194413836204. Its totient is φ = 129609224128.

The previous prime is 162011530159. The next prime is 162011530169. The reversal of 162011530165 is 561035110261.

It is a happy number.

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 31250461284 + 130761068881 = 176778^2 + 361609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162011530165 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162011530169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16201153012 + ... + 16201153021.

It is an arithmetic number, because the mean of its divisors is an integer number (48603459051).

Almost surely, 2^162011530165 is an apocalyptic number.

It is an amenable number.

162011530165 is a deficient number, since it is larger than the sum of its proper divisors (32402306039).

162011530165 is an equidigital number, since it uses as much as digits as its factorization.

162011530165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32402306038.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 162011530165 in words is "one hundred sixty-two billion, eleven million, five hundred thirty thousand, one hundred sixty-five".