165430853843 has 8 divisors (see below), whose sum is σ = 168829252800. Its totient is φ = 162052271208.

The previous prime is 165430853831. The next prime is 165430853851. The reversal of 165430853843 is 348358034561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165430853843 - 2⁴ = 165430853827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165430853791 and 165430853800.

It is not an unprimeable number, because it can be changed into a prime (165430853803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4937213 + ... + 4970606.

It is an arithmetic number, because the mean of its divisors is an integer number (21103656600).

Almost surely, 2^165430853843 is an apocalyptic number.

165430853843 is a deficient number, since it is larger than the sum of its proper divisors (3398398957).

165430853843 is an equidigital number, since it uses as much as digits as its factorization.

165430853843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9908161.

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 165430853843 in words is "one hundred sixty-five billion, four hundred thirty million, eight hundred fifty-three thousand, eight hundred forty-three".