165030538038 has 16 divisors (see below), whose sum is σ = 330065057520. Its totient is φ = 55009515776.

The previous prime is 165030537983. The next prime is 165030538069. The reversal of 165030538038 is 830835030561.

165030538038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×165030538038² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 886906 + ... + 1056722.

It is an arithmetic number, because the mean of its divisors is an integer number (20629066095).

Almost surely, 2^165030538038 is an apocalyptic number.

165030538038 is an abundant number, since it is smaller than the sum of its proper divisors (165034519482).

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

165030538038 is a wasteful number, since it uses less digits than its factorization.

165030538038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331791.

The product of its (nonzero) digits is 259200, while the sum is 42.

Adding to 165030538038 its reverse (830835030561), we get a palindrome (995865568599).

The spelling of 165030538038 in words is "one hundred sixty-five billion, thirty million, five hundred thirty-eight thousand, thirty-eight".