165258180053 has 2 divisors, whose sum is σ = 165258180054. Its totient is φ = 165258180052.

The previous prime is 165258180041. The next prime is 165258180091. The reversal of 165258180053 is 350081852561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164883099364 + 375080689 = 406058^2 + 19367^2 .

It is a cyclic number.

It is not a de Polignac number, because 165258180053 - 2¹⁰ = 165258179029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165258179986 and 165258180013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165258180013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82629090026 + 82629090027.

It is an arithmetic number, because the mean of its divisors is an integer number (82629090027).

Almost surely, 2^165258180053 is an apocalyptic number.

It is an amenable number.

165258180053 is a deficient number, since it is larger than the sum of its proper divisors (1).

165258180053 is an equidigital number, since it uses as much as digits as its factorization.

165258180053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 44.

The spelling of 165258180053 in words is "one hundred sixty-five billion, two hundred fifty-eight million, one hundred eighty thousand, fifty-three".