165227798830848 has 432 divisors, whose sum is σ = 495883264991520. Its totient is φ = 48494256685056.

The previous prime is 165227798830799. The next prime is 165227798830849. The reversal of 165227798830848 is 848038897722561.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165227798830849) 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 47 ways as a sum of consecutive naturals, for example, 1994572086 + ... + 1994654922.

It is a 1-persistent number, because it is pandigital, but 2⋅165227798830848 = 330455597661696 is not.

Almost surely, 2^{165227798830848} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165227798830848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247941632495760).

165227798830848 is an abundant number, since it is smaller than the sum of its proper divisors (330655466160672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165227798830848 is an equidigital number, since it uses as much as digits as its factorization.

165227798830848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83064 (or 82967 counting only the distinct ones).

The product of its (nonzero) digits is 2601123840, while the sum is 78.

The spelling of 165227798830848 in words is "one hundred sixty-five trillion, two hundred twenty-seven billion, seven hundred ninety-eight million, eight hundred thirty thousand, eight hundred forty-eight".