165441034515373 has 2 divisors, whose sum is σ = 165441034515374. Its totient is φ = 165441034515372.

The previous prime is 165441034515293. The next prime is 165441034515433. The reversal of 165441034515373 is 373515430144561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158602715375049 + 6838319140324 = 12593757^2 + 2615018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165441034515373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165441034515373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165441034525373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82720517257686 + 82720517257687.

It is an arithmetic number, because the mean of its divisors is an integer number (82720517257687).

Almost surely, 2^{165441034515373} is an apocalyptic number.

It is an amenable number.

165441034515373 is a deficient number, since it is larger than the sum of its proper divisors (1).

165441034515373 is an equidigital number, since it uses as much as digits as its factorization.

165441034515373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072000, while the sum is 52.

The spelling of 165441034515373 in words is "one hundred sixty-five trillion, four hundred forty-one billion, thirty-four million, five hundred fifteen thousand, three hundred seventy-three".