165112415 has 16 divisors (see below), whose sum is σ = 225929088. Its totient is φ = 114756096.

The previous prime is 165112403. The next prime is 165112427. The reversal of 165112415 is 514211561.

It is an interprime number because it is at equal distance from previous prime (165112403) and next prime (165112427).

It is not a de Polignac number, because 165112415 - 2⁶ = 165112351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73607 + ... + 75816.

It is an arithmetic number, because the mean of its divisors is an integer number (14120568).

Almost surely, 2^165112415 is an apocalyptic number.

165112415 is a deficient number, since it is larger than the sum of its proper divisors (60816673).

165112415 is a wasteful number, since it uses less digits than its factorization.

165112415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149458.

The product of its digits is 1200, while the sum is 26.

The square root of 165112415 is about 12849.6075815567. The cubic root of 165112415 is about 548.6051874770.

Adding to 165112415 its reverse (514211561), we get a palindrome (679323976).

The spelling of 165112415 in words is "one hundred sixty-five million, one hundred twelve thousand, four hundred fifteen".