165152359049 has 2 divisors, whose sum is σ = 165152359050. Its totient is φ = 165152359048.

The previous prime is 165152359039. The next prime is 165152359109. The reversal of 165152359049 is 940953251561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147335448649 + 17816910400 = 383843^2 + 133480^2 .

It is an emirp because it is prime and its reverse (940953251561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165152359049 - 2¹⁶ = 165152293513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165152358988 and 165152359006.

It is not a weakly prime, because it can be changed into another prime (165152359019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82576179524 + 82576179525.

It is an arithmetic number, because the mean of its divisors is an integer number (82576179525).

Almost surely, 2^165152359049 is an apocalyptic number.

It is an amenable number.

165152359049 is a deficient number, since it is larger than the sum of its proper divisors (1).

165152359049 is an equidigital number, since it uses as much as digits as its factorization.

165152359049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458000, while the sum is 50.

The spelling of 165152359049 in words is "one hundred sixty-five billion, one hundred fifty-two million, three hundred fifty-nine thousand, forty-nine".