165839103 has 8 divisors (see below), whose sum is σ = 245687600. Its totient is φ = 110559384.

The previous prime is 165839101. The next prime is 165839117. The reversal of 165839103 is 301938561.

It is a happy number.

It is not a de Polignac number, because 165839103 - 2¹ = 165839101 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 (165839101) 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, 3071068 + ... + 3071121.

It is an arithmetic number, because the mean of its divisors is an integer number (30710950).

Almost surely, 2^165839103 is an apocalyptic number.

165839103 is a deficient number, since it is larger than the sum of its proper divisors (79848497).

165839103 is an equidigital number, since it uses as much as digits as its factorization.

165839103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6142198 (or 6142192 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 165839103 is about 12877.8531984178. The cubic root of 165839103 is about 549.4088447273.

The spelling of 165839103 in words is "one hundred sixty-five million, eight hundred thirty-nine thousand, one hundred three".