165530411341 has 4 divisors (see below), whose sum is σ = 166145766300. Its totient is φ = 164915056384.

The previous prime is 165530411339. The next prime is 165530411353. The reversal of 165530411341 is 143114035561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 143114035561 = 7 ⋅20444862223.

It can be written as a sum of positive squares in 2 ways, for example, as 4737431241 + 160792980100 = 68829^2 + 400990^2 .

It is a cyclic number.

It is not a de Polignac number, because 165530411341 - 2¹ = 165530411339 is a prime.

It is a super-2 number, since 2×165530411341² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165530411297 and 165530411306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165530411441) 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, 307677076 + ... + 307677613.

It is an arithmetic number, because the mean of its divisors is an integer number (41536441575).

Almost surely, 2^165530411341 is an apocalyptic number.

It is an amenable number.

165530411341 is a deficient number, since it is larger than the sum of its proper divisors (615354959).

165530411341 is an equidigital number, since it uses as much as digits as its factorization.

165530411341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615354958.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 165530411341 in words is "one hundred sixty-five billion, five hundred thirty million, four hundred eleven thousand, three hundred forty-one".