165112115 has 24 divisors (see below), whose sum is σ = 232081200. Its totient is φ = 112435008.

The previous prime is 165112111. The next prime is 165112121. The reversal of 165112115 is 511211561.

It is not a de Polignac number, because 165112115 - 2² = 165112111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165112111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34244 + ... + 38766.

It is an arithmetic number, because the mean of its divisors is an integer number (9670050).

Almost surely, 2^165112115 is an apocalyptic number.

165112115 is a deficient number, since it is larger than the sum of its proper divisors (66969085).

165112115 is a wasteful number, since it uses less digits than its factorization.

165112115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4691 (or 4684 counting only the distinct ones).

The product of its digits is 300, while the sum is 23.

The square root of 165112115 is about 12849.5959080432. The cubic root of 165112115 is about 548.6048552151.

Adding to 165112115 its reverse (511211561), we get a palindrome (676323676).

The spelling of 165112115 in words is "one hundred sixty-five million, one hundred twelve thousand, one hundred fifteen".