165320439336 has 48 divisors (see below), whose sum is σ = 482184617460. Its totient is φ = 50867827200.

The previous prime is 165320439329. The next prime is 165320439337. The reversal of 165320439336 is 633934023561.

165320439336 is a `hidden beast` number, since 1 + 6 + 53 + 204 + 393 + 3 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 137488190436 + 27832248900 = 370794^2 + 166830^2 .

It is a super-2 number, since 2×165320439336² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 165320439291 and 165320439300.

It is not an unprimeable number, because it can be changed into a prime (165320439337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88311265 + ... + 88313136.

Almost surely, 2^165320439336 is an apocalyptic number.

It is an amenable number.

165320439336 is an abundant number, since it is smaller than the sum of its proper divisors (316864178124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165320439336 is a wasteful number, since it uses less digits than its factorization.

165320439336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176624426 (or 176624419 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 45.

The spelling of 165320439336 in words is "one hundred sixty-five billion, three hundred twenty million, four hundred thirty-nine thousand, three hundred thirty-six".