165323646344415 has 16 divisors (see below), whose sum is σ = 284865359855328. Its totient is φ = 81390102815616.

The previous prime is 165323646344407. The next prime is 165323646344431. The reversal of 165323646344415 is 514443646323561.

It is not a de Polignac number, because 165323646344415 - 2³ = 165323646344407 is a prime.

It is a super-2 number, since 2×165323646344415² (a number of 29 digits) contains 22 as substring.

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, 423906785304 + ... + 423906785693.

It is an arithmetic number, because the mean of its divisors is an integer number (17804084990958).

Almost surely, 2^{165323646344415} is an apocalyptic number.

165323646344415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165323646344415 is a deficient number, since it is larger than the sum of its proper divisors (119541713510913).

165323646344415 is a wasteful number, since it uses less digits than its factorization.

165323646344415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847813571018.

The product of its digits is 74649600, while the sum is 57.

The spelling of 165323646344415 in words is "one hundred sixty-five trillion, three hundred twenty-three billion, six hundred forty-six million, three hundred forty-four thousand, four hundred fifteen".