165103401 has 8 divisors (see below), whose sum is σ = 220480704. Its totient is φ = 109897520.

The previous prime is 165103399. The next prime is 165103403. The reversal of 165103401 is 104301561.

It is an interprime number because it is at equal distance from previous prime (165103399) and next prime (165103403).

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 165103401 - 2¹ = 165103399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (165103403) 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, 40590 + ... + 44471.

It is an arithmetic number, because the mean of its divisors is an integer number (27560088).

Almost surely, 2^165103401 is an apocalyptic number.

It is an amenable number.

165103401 is a deficient number, since it is larger than the sum of its proper divisors (55377303).

165103401 is an equidigital number, since it uses as much as digits as its factorization.

165103401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85711.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 165103401 is about 12849.2568267585. The cubic root of 165103401 is about 548.5952039411.

Adding to 165103401 its reverse (104301561), we get a palindrome (269404962).

The spelling of 165103401 in words is "one hundred sixty-five million, one hundred three thousand, four hundred one".