161327753 has 4 divisors (see below), whose sum is σ = 161692368. Its totient is φ = 160963140.

The previous prime is 161327731. The next prime is 161327797. The reversal of 161327753 is 357723161.

161327753 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 Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 161327753 - 2¹⁰ = 161326729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (161327713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181643 + ... + 182528.

It is an arithmetic number, because the mean of its divisors is an integer number (40423092).

Almost surely, 2^161327753 is an apocalyptic number.

It is an amenable number.

161327753 is a deficient number, since it is larger than the sum of its proper divisors (364615).

161327753 is an equidigital number, since it uses as much as digits as its factorization.

161327753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364614.

The product of its digits is 26460, while the sum is 35.

The square root of 161327753 is about 12701.4862516164. The cubic root of 161327753 is about 544.3810868272.

The spelling of 161327753 in words is "one hundred sixty-one million, three hundred twenty-seven thousand, seven hundred fifty-three".