165030013923497 has 24 divisors (see below), whose sum is σ = 179738983148760. Its totient is φ = 151251564925440.

The previous prime is 165030013923487. The next prime is 165030013923499. The reversal of 165030013923497 is 794329310030561.

It can be written as a sum of positive squares in 12 ways, for example, as 5399019369241 + 159630994554256 = 2323579^2 + 12634516^2 .

It is not a de Polignac number, because 165030013923497 - 2⁸ = 165030013923241 is a prime.

It is a super-2 number, since 2×165030013923497² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165030013923499) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49065218 + ... + 52320699.

It is an arithmetic number, because the mean of its divisors is an integer number (7489124297865).

Almost surely, 2^{165030013923497} is an apocalyptic number.

It is an amenable number.

165030013923497 is a deficient number, since it is larger than the sum of its proper divisors (14708969225263).

165030013923497 is a wasteful number, since it uses less digits than its factorization.

165030013923497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101386061 (or 101386024 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 53.

The spelling of 165030013923497 in words is "one hundred sixty-five trillion, thirty billion, thirteen million, nine hundred twenty-three thousand, four hundred ninety-seven".