165715103 has 2 divisors, whose sum is σ = 165715104. Its totient is φ = 165715102.

The previous prime is 165715079. The next prime is 165715111. The reversal of 165715103 is 301517561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 165715103 - 2²⁰ = 164666527 is a prime.

It is a super-2 number, since 2×165715103² = 54922990724601218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165712103) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82857551 + 82857552.

It is an arithmetic number, because the mean of its divisors is an integer number (82857552).

Almost surely, 2^165715103 is an apocalyptic number.

165715103 is a deficient number, since it is larger than the sum of its proper divisors (1).

165715103 is an equidigital number, since it uses as much as digits as its factorization.

165715103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 165715103 is about 12873.0378310638. The cubic root of 165715103 is about 549.2718772645.

The spelling of 165715103 in words is "one hundred sixty-five million, seven hundred fifteen thousand, one hundred three".