165041101 has 8 divisors (see below), whose sum is σ = 169323840. Its totient is φ = 160813152.

The previous prime is 165041089. The next prime is 165041119. The reversal of 165041101 is 101140561.

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 165041101 - 2¹³ = 165032909 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 (165041131) 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, 7561 + ... + 19678.

It is an arithmetic number, because the mean of its divisors is an integer number (21165480).

Almost surely, 2^165041101 is an apocalyptic number.

It is an amenable number.

165041101 is a deficient number, since it is larger than the sum of its proper divisors (4282739).

165041101 is an equidigital number, since it uses as much as digits as its factorization.

165041101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27395.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 165041101 is about 12846.8323333030. The cubic root of 165041101 is about 548.5261930854.

Adding to 165041101 its reverse (101140561), we get a palindrome (266181662).

The spelling of 165041101 in words is "one hundred sixty-five million, forty-one thousand, one hundred one".