100665165 has 8 divisors (see below), whose sum is σ = 161064288. Its totient is φ = 53688080.

The previous prime is 100665163. The next prime is 100665167. The reversal of 100665165 is 561566001.

It is an interprime number because it is at equal distance from previous prime (100665163) and next prime (100665167).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100665165 - 2¹ = 100665163 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100665163) 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, 3355491 + ... + 3355520.

It is an arithmetic number, because the mean of its divisors is an integer number (20133036).

Almost surely, 2^100665165 is an apocalyptic number.

100665165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100665165 is a deficient number, since it is larger than the sum of its proper divisors (60399123).

100665165 is an equidigital number, since it uses as much as digits as its factorization.

100665165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6711019.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 100665165 is about 10033.2031276158. The cubic root of 100665165 is about 465.1857507403.

The spelling of 100665165 in words is "one hundred million, six hundred sixty-five thousand, one hundred sixty-five".