165434510436 has 48 divisors (see below), whose sum is σ = 420378134400. Its totient is φ = 50330979072.

The previous prime is 165434510411. The next prime is 165434510453. The reversal of 165434510436 is 634015434561.

It is a happy number.

165434510436 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5943856 + ... + 5971623.

It is an arithmetic number, because the mean of its divisors is an integer number (8757877800).

Almost surely, 2^165434510436 is an apocalyptic number.

It is an amenable number.

165434510436 is an abundant number, since it is smaller than the sum of its proper divisors (254943623964).

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

165434510436 is a wasteful number, since it uses less digits than its factorization.

165434510436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11915588 (or 11915586 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

Adding to 165434510436 its reverse (634015434561), we get a palindrome (799449944997).

The spelling of 165434510436 in words is "one hundred sixty-five billion, four hundred thirty-four million, five hundred ten thousand, four hundred thirty-six".