165585514084 has 9 divisors (see below), whose sum is σ = 289776073881. Its totient is φ = 82792350120.

The previous prime is 165585514057. The next prime is 165585514097. The reversal of 165585514084 is 480415585561.

The square root of 165585514084 is 406922.

It is a perfect power (a square), and thus also a powerful number.

165585514084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 162471874084 + 3113640000 = 403078^2 + 55800^2 .

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 712114 + ... + 915574.

Almost surely, 2^165585514084 is an apocalyptic number.

165585514084 is the 406922-nd square number.

It is an amenable number.

165585514084 is a deficient number, since it is larger than the sum of its proper divisors (124190559797).

165585514084 is an frugal number, since it uses more digits than its factorization.

165585514084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406926 (or 203463 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 52.

The spelling of 165585514084 in words is "one hundred sixty-five billion, five hundred eighty-five million, five hundred fourteen thousand, eighty-four".