165006660044 has 12 divisors (see below), whose sum is σ = 295804622568. Its totient is φ = 80491053600.

The previous prime is 165006660043. The next prime is 165006660073. The reversal of 165006660044 is 440066600561.

165006660044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (165006660043) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 503068922 + ... + 503069249.

It is an arithmetic number, because the mean of its divisors is an integer number (24650385214).

Almost surely, 2^165006660044 is an apocalyptic number.

It is an amenable number.

165006660044 is a deficient number, since it is larger than the sum of its proper divisors (130797962524).

165006660044 is a wasteful number, since it uses less digits than its factorization.

165006660044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006138216 (or 1006138214 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 165006660044 in words is "one hundred sixty-five billion, six million, six hundred sixty thousand, forty-four".