165440524315 has 16 divisors (see below), whose sum is σ = 216598924800. Its totient is φ = 120308026720.

The previous prime is 165440524289. The next prime is 165440524339. The reversal of 165440524315 is 513425044561.

It is not a de Polignac number, because 165440524315 - 2⁵ = 165440524283 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404286 + ... + 703084.

It is an arithmetic number, because the mean of its divisors is an integer number (13537432800).

Almost surely, 2^165440524315 is an apocalyptic number.

165440524315 is a deficient number, since it is larger than the sum of its proper divisors (51158400485).

165440524315 is a wasteful number, since it uses less digits than its factorization.

165440524315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308882.

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 165440524315 its reverse (513425044561), we get a palindrome (678865568876).

The spelling of 165440524315 in words is "one hundred sixty-five billion, four hundred forty million, five hundred twenty-four thousand, three hundred fifteen".