165210530063215 has 32 divisors (see below), whose sum is σ = 246162565224576. Its totient is φ = 103647395819520.

The previous prime is 165210530063209. The next prime is 165210530063333. The reversal of 165210530063215 is 512360035012561.

It is a happy number.

It is not a de Polignac number, because 165210530063215 - 2⁴³ = 156414437041007 is a prime.

It is a super-2 number, since 2×165210530063215² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1606586046 + ... + 1606688875.

It is an arithmetic number, because the mean of its divisors is an integer number (7692580163268).

Almost surely, 2^{165210530063215} is an apocalyptic number.

165210530063215 is a deficient number, since it is larger than the sum of its proper divisors (80952035161361).

165210530063215 is a wasteful number, since it uses less digits than its factorization.

165210530063215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213275059.

The product of its (nonzero) digits is 162000, while the sum is 40.

Adding to 165210530063215 its reverse (512360035012561), we get a palindrome (677570565075776).

The spelling of 165210530063215 in words is "one hundred sixty-five trillion, two hundred ten billion, five hundred thirty million, sixty-three thousand, two hundred fifteen".