165289348101 has 4 divisors (see below), whose sum is σ = 220385797472. Its totient is φ = 110192898732.

The previous prime is 165289348079. The next prime is 165289348111. The reversal of 165289348101 is 101843982561.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 101843982561 = 3 ⋅33947994187.

It is not a de Polignac number, because 165289348101 - 2³³ = 156699413509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165289348111) 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, 27548224681 + ... + 27548224686.

It is an arithmetic number, because the mean of its divisors is an integer number (55096449368).

Almost surely, 2^165289348101 is an apocalyptic number.

It is an amenable number.

165289348101 is a deficient number, since it is larger than the sum of its proper divisors (55096449371).

165289348101 is an equidigital number, since it uses as much as digits as its factorization.

165289348101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55096449370.

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 165289348101 in words is "one hundred sixty-five billion, two hundred eighty-nine million, three hundred forty-eight thousand, one hundred one".