165260526324413 has 16 divisors (see below), whose sum is σ = 187341745745280. Its totient is φ = 144517878039744.

The previous prime is 165260526324323. The next prime is 165260526324457. The reversal of 165260526324413 is 314423625062561.

It is a cyclic number.

It is not a de Polignac number, because 165260526324413 - 2¹² = 165260526320317 is a prime.

It is a super-2 number, since 2×165260526324413² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165260526324493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21716720 + ... + 28322022.

It is an arithmetic number, because the mean of its divisors is an integer number (11708859109080).

Almost surely, 2^{165260526324413} is an apocalyptic number.

165260526324413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

165260526324413 is a deficient number, since it is larger than the sum of its proper divisors (22081219420867).

165260526324413 is a wasteful number, since it uses less digits than its factorization.

165260526324413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6706628.

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 165260526324413 in words is "one hundred sixty-five trillion, two hundred sixty billion, five hundred twenty-six million, three hundred twenty-four thousand, four hundred thirteen".