153365441161 has 3 divisors (see below), whose sum is σ = 153365832781. Its totient is φ = 153365049542.

The previous prime is 153365441149. The next prime is 153365441183. The reversal of 153365441161 is 161144563351.

It is a happy number.

The square root of 153365441161 is 391619.

It is a perfect power (a square), and thus also a powerful number.

153365441161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 161144563351 = 31 ⋅5198211721.

It is not a de Polignac number, because 153365441161 - 2¹⁵ = 153365408393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153365442161) 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 in 2 ways as a sum of consecutive naturals, for example, 195810 + ... + 587428.

Almost surely, 2^153365441161 is an apocalyptic number.

153365441161 is the 391619-th square number.

153365441161 is the 195810-th centered octagonal number.

It is an amenable number.

153365441161 is a deficient number, since it is larger than the sum of its proper divisors (391620).

153365441161 is an frugal number, since it uses more digits than its factorization.

153365441161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783238 (or 391619 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The spelling of 153365441161 in words is "one hundred fifty-three billion, three hundred sixty-five million, four hundred forty-one thousand, one hundred sixty-one".