165616115 has 8 divisors (see below), whose sum is σ = 227130720. Its totient is φ = 113565312.

The previous prime is 165616081. The next prime is 165616147. The reversal of 165616115 is 511616561.

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

It is not a de Polignac number, because 165616115 - 2⁶ = 165616051 is a prime.

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, 2365910 + ... + 2365979.

It is an arithmetic number, because the mean of its divisors is an integer number (28391340).

Almost surely, 2^165616115 is an apocalyptic number.

165616115 is a deficient number, since it is larger than the sum of its proper divisors (61514605).

165616115 is an equidigital number, since it uses as much as digits as its factorization.

165616115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4731901.

The product of its digits is 5400, while the sum is 32.

The square root of 165616115 is about 12869.1924766086. The cubic root of 165616115 is about 549.1624884134.

It can be divided in two parts, 1656 and 16115, that added together give a palindrome (17771).

The spelling of 165616115 in words is "one hundred sixty-five million, six hundred sixteen thousand, one hundred fifteen".