165732103 has 2 divisors, whose sum is σ = 165732104. Its totient is φ = 165732102.

The previous prime is 165732067. The next prime is 165732131. The reversal of 165732103 is 301237561.

It is an a-pointer prime, because the next prime (165732131) can be obtained adding 165732103 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 165732103 - 2²⁵ = 132177671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165732403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82866051 + 82866052.

It is an arithmetic number, because the mean of its divisors is an integer number (82866052).

Almost surely, 2^165732103 is an apocalyptic number.

165732103 is a deficient number, since it is larger than the sum of its proper divisors (1).

165732103 is an equidigital number, since it uses as much as digits as its factorization.

165732103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 165732103 is about 12873.6981089351. The cubic root of 165732103 is about 549.2906591025.

Adding to 165732103 its reverse (301237561), we get a palindrome (466969664).

The spelling of 165732103 in words is "one hundred sixty-five million, seven hundred thirty-two thousand, one hundred three".