165430330766644 has 12 divisors (see below), whose sum is σ = 289713933242244. Its totient is φ = 82654921268864.

The previous prime is 165430330766587. The next prime is 165430330766737. The reversal of 165430330766644 is 446667033034561.

165430330766644 is digitally balanced in base 3, 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 2 ways, for example, as 154813616377744 + 10616714388900 = 12442412^2 + 3258330^2 .

It is a super-2 number, since 2×165430330766644² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15061022437 + ... + 15061033420.

It is an arithmetic number, because the mean of its divisors is an integer number (24142827770187).

Almost surely, 2^{165430330766644} is an apocalyptic number.

It is an amenable number.

165430330766644 is a deficient number, since it is larger than the sum of its proper divisors (124283602475600).

165430330766644 is a wasteful number, since it uses less digits than its factorization.

165430330766644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30122057234 (or 30122057232 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 58.

The spelling of 165430330766644 in words is "one hundred sixty-five trillion, four hundred thirty billion, three hundred thirty million, seven hundred sixty-six thousand, six hundred forty-four".