165224795459 has 4 divisors (see below), whose sum is σ = 165228129840. Its totient is φ = 165221461080.

The previous prime is 165224795443. The next prime is 165224795497. The reversal of 165224795459 is 954597422561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 954597422561 = 256831 ⋅3716831.

It is a cyclic number.

It is not a de Polignac number, because 165224795459 - 2⁴ = 165224795443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165224795398 and 165224795407.

It is not an unprimeable number, because it can be changed into a prime (165224795059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1591724 + ... + 1692345.

It is an arithmetic number, because the mean of its divisors is an integer number (41307032460).

Almost surely, 2^165224795459 is an apocalyptic number.

165224795459 is a deficient number, since it is larger than the sum of its proper divisors (3334381).

165224795459 is an equidigital number, since it uses as much as digits as its factorization.

165224795459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334380.

The product of its digits is 27216000, while the sum is 59.

The spelling of 165224795459 in words is "one hundred sixty-five billion, two hundred twenty-four million, seven hundred ninety-five thousand, four hundred fifty-nine".