165141853 has 2 divisors, whose sum is σ = 165141854. Its totient is φ = 165141852.

The previous prime is 165141839. The next prime is 165141871. The reversal of 165141853 is 358141561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137663289 + 27478564 = 11733^2 + 5242^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165141853 is a prime.

It is a super-2 number, since 2×165141853² = 54543663224547218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165141833) 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, 82570926 + 82570927.

It is an arithmetic number, because the mean of its divisors is an integer number (82570927).

Almost surely, 2^165141853 is an apocalyptic number.

It is an amenable number.

165141853 is a deficient number, since it is larger than the sum of its proper divisors (1).

165141853 is an equidigital number, since it uses as much as digits as its factorization.

165141853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 34.

The square root of 165141853 is about 12850.7530129561. The cubic root of 165141853 is about 548.6377892649.

The spelling of 165141853 in words is "one hundred sixty-five million, one hundred forty-one thousand, eight hundred fifty-three".