165112105 has 8 divisors (see below), whose sum is σ = 198836352. Its totient is φ = 131621808.

The previous prime is 165112069. The next prime is 165112111. The reversal of 165112105 is 501211561.

It is a happy number.

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 165112105 - 2¹⁵ = 165079337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56929 + ... + 59758.

It is an arithmetic number, because the mean of its divisors is an integer number (24854544).

Almost surely, 2^165112105 is an apocalyptic number.

It is an amenable number.

165112105 is a deficient number, since it is larger than the sum of its proper divisors (33724247).

165112105 is a wasteful number, since it uses less digits than its factorization.

165112105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116975.

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 165112105 is about 12849.5955189259. The cubic root of 165112105 is about 548.6048441397.

Adding to 165112105 its reverse (501211561), we get a palindrome (666323666).

It can be divided in two parts, 16 and 5112105, that added together give a square (5112121 = 2261²).

The spelling of 165112105 in words is "one hundred sixty-five million, one hundred twelve thousand, one hundred five".