165130303193 has 2 divisors, whose sum is σ = 165130303194. Its totient is φ = 165130303192.

The previous prime is 165130303189. The next prime is 165130303201. The reversal of 165130303193 is 391303031561.

165130303193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105393077449 + 59737225744 = 324643^2 + 244412^2 .

It is a cyclic number.

It is not a de Polignac number, because 165130303193 - 2² = 165130303189 is a prime.

It is a super-2 number, since 2×165130303193² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (165130303493) 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 as a sum of consecutive naturals, namely, 82565151596 + 82565151597.

It is an arithmetic number, because the mean of its divisors is an integer number (82565151597).

Almost surely, 2^165130303193 is an apocalyptic number.

It is an amenable number.

165130303193 is a deficient number, since it is larger than the sum of its proper divisors (1).

165130303193 is an equidigital number, since it uses as much as digits as its factorization.

165130303193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21870, while the sum is 35.

The spelling of 165130303193 in words is "one hundred sixty-five billion, one hundred thirty million, three hundred three thousand, one hundred ninety-three".