161065552330353 has 12 divisors (see below), whose sum is σ = 236051994049424. Its totient is φ = 97615486260600.

The previous prime is 161065552330271. The next prime is 161065552330399. The reversal of 161065552330353 is 353033255560161.

It is not a de Polignac number, because 161065552330353 - 2⁹ = 161065552329841 is a prime.

It is a super-2 number, since 2×161065552330353² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161065552320353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221853377503 + ... + 221853378228.

Almost surely, 2^{161065552330353} is an apocalyptic number.

It is an amenable number.

161065552330353 is a deficient number, since it is larger than the sum of its proper divisors (74986441719071).

161065552330353 is a wasteful number, since it uses less digits than its factorization.

161065552330353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443706755756 (or 443706755745 counting only the distinct ones).

The product of its (nonzero) digits is 3645000, while the sum is 48.

The spelling of 161065552330353 in words is "one hundred sixty-one trillion, sixty-five billion, five hundred fifty-two million, three hundred thirty thousand, three hundred fifty-three".